Information Security Analyst jobs - Washington, DC
Subscribe to RSS Feed| Posted | Job Title | Company | Location |
|---|---|---|---|
|
Featured Job Postings from the Web
|
|||
| May 30 | IDS - Cyber Info Assurance Anlyst 3 - 2nd Shift | Northrop Grumman | Arlington, VA |
|
Northrop Grumman Information Systems sector is seeking an IPS/IDS Analyst to join our team ... technologies. -BS degree in Engineering, CS, Information Security, or Information Systems... more |
|||
| May 30 | IDS - Cyber Info Assurance Anlyst 2 - 3rd Shift | Northrop Grumman | Arlington, VA |
|
Northrop Grumman Information Systems sector is seeking an IPS/IDS Analyst to join our team ... technologies. -BS degree in Engineering, CS, Information Security, or Information Systems... more |
|||
| May 29 | Senior Information Security Analyst | University of Maryland University College | Adelphi, MD |
|
Job Title: Senior Information Security Analyst Job ID: 4023 Location: Adelphi ... Analyst (004023) Office of the Chief Information Security Officer, Information... more |
|||
| May 29 | Information Security, senior analyst | General Dynamics | Fairfax, VA |
|
Dynamics Information Technology provides information technology (IT), systems ... Review and/or prepare and sustain Information System security certification and accreditat... more |
|||
| May 29 | Sr Analyst, Info Security/Secret/Mons, BE | General Dynamics | Fairfax, VA |
|
Dynamics Information Technology provides information technology (IT), systems ... (M/F/D/V). Senior Information Assurance Analyst to oversee the installation,... more |
|||
| May 29 | Senior Enterprise Security Support Analyst | University of Maryland University College | Adelphi, MD |
|
Overview Senior Enterprise Security Support Analyst (004183) Office of Information ... security issues, working closely with the Information Assurance Group, contractor... more |
|||
| May 29 | Information Security, Associate Analyst | General Dynamics | Fairfax, VA |
|
Dynamics Information Technology provides information technology (IT), systems ... civilian government, health, homeland security, intelligence, state and local... more |
|||
| May 29 | Information Security, RDT&E C&A Analyst- Prin | General Dynamics | Fairfax, VA |
|
Dynamics Information Technology provides information technology (IT), systems ... Prepare and sustain Information System security certification and accreditation... more |
|||
| May 29 | Information Systems Security Engineer - TS/SC | General Dynamics | Fairfax, VA |
|
Security. Responsible for writing information security policy drafts, writing ... security systems. Manage multi-agency information sharing and integration security. more |
|||
| May 29 | Information Assurance CND Analyst | General Dynamics | Fairfax, VA |
|
systems and networks. Experience using Security Information Event Management (SIEM) ... The position is for a Mid to Sr. Information Assurance CND Analyst. Primary... more |
|||
| May 29 | Jr. Cyber Security Monitoring Analyst | SRA International | Beltsville, MD |
|
report on security incidents Report incident information to US-CERT as necessary Maintain ... Certification desired: Certified Ethical Hacker NSA IAM/IEM SANS GCIH and/or GCIA Security... more |
|||
| May 29 | Sr. Information Security Analyst | General Dynamics | Fairfax, VA |
|
for an Information Security Support Staff analyst in Falling Waters, WV supporting the ... the Tier II help staff for resolving information security issues. Responsibilities... more |
|||
| May 29 | Cyber Security Threat Analyst | SRA International | Ashburn, VA |
|
Integrating numerous types of cyber security data sources into analysis products ... Internet cyber security sites for information specific to customer system... more |
|||
| May 29 | Information Assurance C&A Analyst | General Dynamics | Fairfax, VA |
|
Performing Information Assurance/security analyses and risk/vulnerability assessments alon ... Prepare and sustain Information System security certification and accreditation... more |
|||
| May 27 | Cyber Security Analyst | IT Consulting / Services Company | Washington, DC |
|
and Trusted Extensions) * Multi-Level Security * Common attack vectors and ... of the Department of Defense Intelligence Information System (DoDIIS) Applicants... more |
|||
| May 25 | Information Security Engineer Leader (Interme | Computer Sciences Corporation (CSC) | Fort Meade, MD |
|
procedures concerning Information Security. Participates in IA risk assessments ... to information security (FISMA, Computer security Act, etc.) Experience working with... more |
|||
| May 25 | Senior Information Systems Analyst | Johns Hopkins University/applied Physics Lab | Laurel, MD |
|
DC is seeking a Senior Information Systems Analyst. Job Summary: Advanced Tactical ... Systems Group is looking for a Senior Information Systems Analyst to be a part of a... more |
|||
| May 25 | Senior Security Analyst - Server Admin & Security job | Cisco Partner - Force 3 | Rockville, MD |
|
Force 3 is always searching for Senior Security Analysts to join a team of specialized ... that are passionate about information security and hungry for knowledge. more |
|||
| May 25 | Security Systems Analyst - Nuclear Weapons Se | Johns Hopkins University/applied Physics Lab | Laurel, MD |
|
a Security Systems Analyst Nuclear Weapons Security Systems. Job Summary: Conduct system ... meetings and reviews (approximately 10%). Security: Secret Clearance is required. more |
|||
| May 25 | Information Security Engineer Principal Leade | Computer Sciences Corporation (CSC) | Fort Meade, MD |
|
Requisition ID: 1200CBZ Job Category: Information Security Engineer 7 Primary ... to information security (FISMA, Computer security Act, etc.) Experience working with... more |
|||
| May 25 | Information Security Professional IA (Junior) | Computer Sciences Corporation (CSC) | Fort Meade, MD |
|
Requisition ID: 1200CC0 Job Category: Information Security Engineer 5 Primary ... to information security (FISMA, Computer security Act, etc.) Experience working with... more |
|||
| May 21 | (RIM) Records Information Management Analysts | C.B. Harris and Company | Washington, DC |
|
Senior RIM Analyst, RIM Analyst, e-RIM Analyst Immediate hire! Provide on site (Wash DC) ... guidelines and relevant records and information management technology... more |
|||
| May 17 | ArcSight Engineer IT Security Specialist Senior | ASAP Resource Group | Arlington, VA |
|
documentation *Provide guidance to security analyst and network engineering staff ... systems *Support all aspects of Security Information and Event Management initiative. more |
|||
| May 17 | PeopleSoft Security Analyst | Buchanan & Edwards | Washington, DC |
|
Responsibilities: * Complete analysis of 8.8 Security objects mapped into the 9.1 Security ... Row Level Security, Object Security, Query Security, etc. * Fit PeopleSoft security into... more |
|||
| May 14 | Security Analyst | Verisign | Reston, VA |
|
VeriSign seeks a Security Analyst to work from our Reston, VA, office. The ideal candidate ... with confidential and sensitive information and work and communicate... more |
|||
| May 14 | Information Security Engineer | Lgl-nyc | Chantilly, VA |
|
distinguished from the Information Security Analyst by the additional experience ... role. Business Relationships Reports to the Information Security Architect Candidate... more |
|||
| May 14 | Information Protection Analyst | Pentagon Federal Credit Union | Chantilly, VA |
|
opening for an Information Security Analyst that will provide lead development ... Essential Duties: Works with Information Security Architect and Information Security... more |
|||
| May 14 | Information Protection Analyst | Lgl-nyc | Chantilly, VA |
|
of the Information Protection Manager and Information Security Engineers incumbent acts ... on workstations and servers. Works with Information Security Engineers and... more |
|||
| May 14 | Cyber Security Analyst 4 | Northrop Grumman | Fort Belvoir, VA |
|
Knowledge Online (?AKO?) is seeking a Cyber Security Analyst 4 to join our team operating ... verify security policies Write and review security operation procedures This position... more |
|||
| May 11 | COMSEC Custodian / Industrial Security Analyst 2 | Northrop Grumman | Landover, MD |
|
as required. Develops and administers security procedures for accountability of ... to the appropriate site. Investigates security violations and prepares reports... more |
|||
| May 08 | Cyber Security Information Security (Infosec) Engineer CJ | Northrop Grumman | Herndon, VA |
|
function of this Cyber Security Information Security (Infosec) Engineer is to investigate ... work as part of an integrated team of cyber-security engineers, analysts, and customer... more |
|||
| May 08 | Cyber Security Analyst 2 CJ | Northrop Grumman | Mclean, VA |
|
Analyst is to analyze all relevant cyber security event data for attack indicators and ... work as part of an integrated team of cyber-security engineers, analysts, and customer... more |
|||
| May 08 | Cyber Security Subject Matter Expert CJ | Northrop Grumman | Herndon, VA |
|
working closely with the Lead Cyber Security Analyst and USG customers the SME shall ... responsible experience in cyber security, information security, security... more |
|||
| May 08 | Information Sys Project Mgr 3/Lead Cyber Analsyt CJ | Northrop Grumman | Mclean, VA |
|
work as part of an integrated team of cyber-security engineers, analysts, and customer ... responsible experience in cyber security, information security, security... more |
|||
| May 07 | Subject Matter Expert - Security Research and Engineering (DSCS) | Northrop Grumman | Rosslyn, VA |
|
Northrop Grumman Information Systems sector is seeking a Subject Matter Expert - Security ... at the authoritative level. Certified Information Systems Security Professional... more |
|||
| May 07 | Cyber Info Assurance Anlyst 4 | Northrop Grumman | Fort Meade, MD |
|
Northrop Grumman Information Systems is seeking a Cyber Info Assurance Analyst 4 to join ... and DoD 8570 Certified Information Systems Security Professional (CISSP) Position... more |
|||
| May 07 | Sr. Security/IA Engineer 4 | Northrop Grumman | Washington, DC |
|
seeking a Sr. Security Engineer to provide Information Technology Security Services ... - Seasoned security analyst having developed numerous security C&A and ATO on GSS/MAs... more |
|||
| May 07 | Cyber Info Assurance Anlyst 2 | Northrop Grumman | Fort Meade, MD |
|
the security posture for DISA. The Cyber Information Assuramce Analyst's specific ... The Cyber Information Assuramce Analyst will focus on: Providing on-site circuit/CAP packa... more |
|||
| May 07 | Information Systems Analyst/ Software Develop | Johns Hopkins University/applied Physics Lab | Laurel, MD |
|
Information Systems Group is looking for an Information Systems Analyst to be a part of a ... Security: Applicant selected will be subject to a government security clearance investig... more |
|||
| May 07 | Information Systems Project Manager 3/Lead Cyber Analsyt CJ | Northrop Grumman | Mclean, VA |
|
work as part of an integrated team of cyber-security engineers, analysts, and customer ... responsible experience in cyber security, information security, security... more |
|||
| Apr 25 | Information Assurance Analyst Senior | Avaya Government Solutions | Washington, DC |
|
Solutions has an opening for an Information Security Specialist focusing on Application ... revising, and implementing information security policies and procedures; ?... more |
|||
| Mar 13 | Information Management Officer | Central Intelligence Agency CIA | Washington, DC |
|
Positions available include Information Management Technical Officers (IMTO), Information ... while simultaneously protecting national security. These officers: * Review documents... more |
|||
| Feb 24 | Global Peace and Security Issue Analyst | Americans For Informed Democracy | Washington, DC |
|
Security for the 2011-12 academic year. The Security Campaign Team Issue Analyst provides ... Analyst will work between 8-10 hours/month, potentially more in the early months... more |
|||
| Feb 22 | IT Security Policy Analyst | Aboutweb | Washington, DC |
|
beyond the current standards. The Security Analyst will support the client's IT Security ... of Security Program. - Creation of IT Security requirements, technical security... more |
|||
| Feb 02 | IT Security Engineer /Analyst 2 | Stg | Reston, VA |
|
STG is an Equal Opportunity Employer IT Security Engineer /Analyst 2 Job Number 12:CIV-030 ... security process and procedure development, security training, and IT security research. more |
|||
| Feb 02 | Information Security Analyst | Stg | Reston, VA |
|
Employer Information Security Analyst Job Number 11:DEF-814 City ... Information Resource Management Division's Information System Security Officer (ISSO)... more |
|||
| Jan 06 | Military Operations Analyst (Security/SPG) | Systems Planning and Analysis | Alexandria, VA |
|
Security Program. The Military Operations Analyst supports critical security ... Previous hands-on conduct of nuclear weapons security, to include USMC / USN/ USCG experie... more |
|||
| Dec 21 | Information Security Analyst - WEEKEND SHIFT | Aboutweb | Washington, DC |
|
accessible) is looking for an Information Security Analyst to work the weekend shift. This shift is Friday/Saturday/Sunday from 6am to 6pm. The required experience is with threat... more |
|||
| Dec 13 | Information Security Analyst | Pentagon Federal Credit Union | Chantilly, VA |
|
opening for an Information Security Analyst that will provide lead development ... Essential Duties: Works with Information Security Architect and Information Security... more |
|||
| Oct 26 | Information Security Analyst (Experienced Associate) | PwC | Mclean, VA |
|
manner; delivering clear requests for information; demonstrating flexibility in prioritizing and completing tasks; and communicating potential conflicts to a supervisor. Working... more |
|||
| Aug 03 | Security Analyst | Aboutweb | Washington, DC |
|
AboutWeb is looking for 2 Security Analyst for a contract that will be up for recompete at ... ? Research security policy, provide security training and education, track security violat... more |
|||
|
More Job Postings from the Web
|
|||
| May 30 | Sr Princ Analyst, Info Security | General Dynamics Information Technology | Fort Meade, MD |
|
and Affirmative Action employer. Information Security Analyst for task order supporting ... Additional Information Relocation No Security Clearance Level Top-Secret Security... more |
|||
| May 30 | Information Security Analyst | General Dynamics Information Technology | Arlington, VA |
|
Information Security Analyst in Arlington, Virginia As a trusted systems integrator for ... security clearance - U.S. Citizen Additional Information Relocation No Security Clearance... more |
|||
| May 29 | Information Security Engineer (Customer Success Team) | Mandiant | Alexandria, VA |
|
Information Security Engineer (Customer Success Team) SUMMARY OF JOB DESCRIPTION ... languages Background in operational information security disciplines (e.g. more |
|||
| May 28 | Senior Security Analyst | Recruitarrow | Washington, DC |
|
and assess compliance with established information assurance Security policies and ... Evaluate the Security posture of computer/network information systems, make recommendation... more |
|||
| May 25 | Information Security Analyst | URS | Germantown, MD |
|
our opening for Information Security Analyst in our Boston, MA office. This ... with new clients. The Information Security Analyst will work on a variety of... more |
|||
| May 24 | Information Assurance / Security Analyst | Oran | Reston, VA |
|
(CISSP) designation or an equivalent Information Security certification bull ... please add jobsoraninccom Thank you Information Assurance, CISSP, Security,... more |
|||
| May 22 | Information Systems Security Engineer (IBM DataPower) | 2020 Company | Columbia, MD |
|
working environment. The Information Systems Security Engineer is responsible for ... data engineering and design, information security management, requirements analysis,... more |
|||
| May 22 | Information Systems Security Engineer | Digiflight | Chantilly, VA |
|
are currently seeking a Information Systems Security Engineer with 10-15 years of ... duties: Act as the representative of the Information System Security Manager ensuring... more |
|||
| May 20 | Info Security Analyst III Job | SAIC | Washington, DC |
|
Info Security Analyst III (Job Number:305555) Description: JOB DESCRIPTION: As member of ... Trust security clearance from Homeland Security. SAIC also requires background... more |
|||
| May 17 | Senior Information Security Specialist | ManTech International | Washington, DC |
|
motivated, qualified professional to fill an Information Security Analyst position in ... client networks. JobDescription: As a Information Security Analyst you will perform... more |
|||
| May 16 | Information Security Project Manager | E-management | Washington, DC |
|
Information Security Project Manager The Information Security Project Manager will manage, ... to serve as an Information Security Risk Analyst, develops system and program-level... more |
|||
| May 16 | Information Security Analyst | 7 Delta | Washington, DC |
|
Knowledgeable in FISMA (Federal Information Security Management Act) ... Proven expertise in Information Systems Security Engineering (ISSE) and Information... more |
|||
| May 16 | Information Security Risk Analyst-5+ Years | Computer Aid | Washington, DC |
|
Security Standards Analyst, Office of Information Security Office of Information ... EOE* Position Information Security Standards Analyst, Office of Information Security... more |
|||
| May 15 | Computer Systems Security Analyst | Lockheed Martin | Washington, DC |
|
design. Involved in a wide range of security issues including architectures, ... technologies, and information technology security research. May prepare security... more |
|||
| May 15 | Project Manager III (Information Security) | Fannie Mae | Reston, VA |
|
of project from meetings, conferring with Information Security Engineers, Analysts, ... * Provide guidance to project staff; may manage Information Security Engineers and Analyst... more |
|||
| May 14 | Sr Information Security Analyst | Childrens National Medical Center | Silver Spring, MD |
|
administers, and implements CNMC clinical information security programs - software, ... confidentiality and security of CNMC information assets. Bachelor's degree in... more |
|||
| May 14 | Sr Information Security Analyst | Children's National Medical Center | Washington, DC |
|
Sr Information Security Analyst Req Number: 9713 Department: IT Services Schedule: ... administers, and implements CNMC clinical information security programs - software,... more |
|||
| May 12 | Sr Analyst, Info Security | General Dynamics | Washington, DC |
|
Job Title Sr Analyst, Info Security Job ID Number 199196 Company General Dynamics ... Dynamics Information Technology provides information technology (IT), systems... more |
|||
| May 11 | Information Security Analyst | Customer Value Partners | Washington, DC |
|
in Washington, DC 20250. The successful Information Security Analyst will support the ... for a successful Information Security Analyst: - Ability to acquire a government... more |
|||
| May 10 | Information Security Risk Analyst | Computer Aid | Washington, DC |
|
The company's Office of Information Security (OIS) provides information security ... working in an information security, information technology, and information risk... more |
|||
| May 08 | Risk and Vulnerability Assessment Security Analyst | Carnegie Mellon University | Arlington, VA |
|
threat areas; developing information security assessment methods and techniques; ... network security tester, software engineer, information systems security analyst or... more |
|||
| May 08 | Information Security Analyst | Lucas Group | Washington, DC |
|
InformationSecurity Analyst Acts as a technical leader within the Information Security ... and servers. Works with Information Security Engineers and Technicians to... more |
|||
| May 05 | Info Security Analyst IV Job | SAIC | Washington, DC |
|
IT Security Specialist to support our SETI Security Compliance - Security Test & ... in creating and maintaining information security documentation. Position requires US... more |
|||
| May 04 | Cyber Security Analyst - Information Assurance | ITT Exelis | Columbia, MD |
|
monitor DoD networks for compliance with information assurance regulations such as ... support the information assurance mission. Must possess at least TS/SCI Security... more |
|||
| May 04 | Senior Information Security Analyst | Defense Point Security | Chantilly, VA |
|
Defense Point Security, headquartered in Virginia, provides expert Information Technology ... services to our clients while cultivating information security knowledge among all... more |
|||
| May 03 | Information Assurance/Security Professionals | National Security Agency (NSA) | Fort George G Meade, MD |
|
Information System Security Engineer (ISSE): Define information system security requiremen ... Information System Security Engineer, Information System Security Designer,... more |
|||
| May 03 | Associate Analyst Information Security | Maximus | Reston, VA |
|
Assist in the enforcement of corporate information security policy. Monitor systems ... Required: Knowledge of TCP/IP networking and information security concepts. Prefer prior... more |
|||
| May 02 | Information Security Analyst | Consultis of Boca Raton | Washington, DC |
|
searching for a Information Security Analyst This is a Direct Hire opportunity ... Information System (DoDIIS) Joint Security Implementation Guide (DJSIG)... more |
|||
| May 02 | Information Security Analyst I (9788) | Dynamics Research | Washington, DC |
|
recruiting for an Information Security Analyst to work on our Department of Homeland ... architectures.* Understanding of general Information Security principles.* Familiarity... more |
|||
| Apr 25 | Information Security Analyst (DIACAP) | Lunarline | Arlington, VA |
|
experience in security administration and information assurance within the DIACAP ... be part of a very fast growing information security company. Lunarline is an equal... more |
|||
| Apr 23 | Information Security, senior analyst PAX (198196) | Gcr Professional Services | Fairfax, VA |
|
Review and/or prepare and sustain Information System security certification and accreditat ... security standard operating procedures, security test and evaluation plans, and... more |
|||
| Apr 19 | Information Security Engineer Professional (Junior) US CERT | Computer Sciences Corporation (CSC) | Washington, DC |
|
89. Junior Information Assurance (IA) Analyst. S04 Under general technical supervision, ... federal regulations related to information security (FISMA, Computer security Act, etc.)... more |
|||
| Apr 17 | INFORMATION SECURITY PROJECT MANAGER | Adecco | Silver Spring, MD |
|
Information Security Project Manager-The Information Security Project Manager will manage, ... to serve as an Information Security Risk Analyst, develops system and program-level... more |
|||
| Apr 16 | S - Senior Information Systems Security Engineer (SISSE) | Summit Solutions | Fort Meade, MD |
|
Risk Analyst Serve as the Senior Information System Security Engineer. This is ... years experience in Information Assurance/Information System Security Engineering. -... more |
|||
| Apr 11 | Information Security Analyst | Consultis | Washington, DC |
|
opportunity, is currently searching for a Information Security Analyst . This is a ... Information System (DoDIIS) Joint Security Implementation Guide (DJSIG)... more |
|||
| Apr 06 | Information Security Risk & Compliance Analyst III | Chickasaw Nation Industries | Rockville, MD |
|
The Information Security Risk and Compliance Analyst III will be responsible for executing ... Interviews system owners, information system security officers, system administrators,... more |
|||
| Mar 26 | Information Security Specialist/Security Analyst | Unisys Federal Systems | Arlington, VA |
|
(RA function only). Provide IPM and Information Assurance (IA) subject matter expertise in the form of engineering, technical, and policy support to EITSD-supported components of... more |
|||
| Mar 16 | TEMPEST Field Engineer II (Information Security Analyst II) | Qivliq | Alexandria, VA |
|
Control, Communications, Computer, and Information Technology Service Center (C4IT SC), Business Operations Division, Information Assurance Branch in Alexandria VA. ESSENTIAL... more |
|||
| Mar 16 | TEMPEST Field Engineer II (Information Security Analyst II) | Nana Regional | Alexandria, VA |
|
Control, Communications, Computer, and Information Technology Service Center (C4IT SC), Business Operations Division, Information Assurance Branch in Alexandria VA. ESSENTIAL... more |
|||
| Mar 15 | Information System Security Engineer (ISSE) / Network Information Assurance (IA) Analyst | Capitol Employment Solutions | Annapolis Junction, MD |
|
(4) years, experience documenting Enclave security policy covering administrative, technical, procedural, and personnel IA enhancement plan to support Certification and... more |
|||
| Mar 09 | Information Security Engineer | Praxis Engineering | Annapolis Junction, MD |
|
Praxis Engineering is seeking an Information Security Engineer to guidance and leadership ... management systems Experience installing security centric management applications as... more |
|||
| Feb 27 | Sr. Staff Network Engineer - Information & Network Security | Visa | Ashburn, VA |
|
This opening is for an Implementation Analyst / Engineer on the Web Security ... teams to integrate applications into our security framework. RESPONSBILITIES: *... more |
|||
| Feb 02 | Information Assurance Security Analyst | Epsilon | Alexandria, VA |
|
information assurance requirements and security management including incident ... QUALIFICATIONS: Must have a Secret Security Clearance. Must have Security Plus... more |
|||
| Dec 08 | Information Security Analyst - Entry Level | Customer Value Partners | Fairfax, VA |
|
local CVP sites. The successful Information Security Analyst will: - Gain an ... require for a highly successful Information Security Analyst: - Presentation skills and... more |
|||
| Nov 25 | Information Systems Security Analyst (Incident Response) | Nete | Mclean, VA |
|
role (higher education in information security may be used to supplement overall ... knowledge of information assurance, systems security certification and privacy principles... more |
|||
| Nov 25 | Information Security Analyst | Nete | Mclean, VA |
|
1. Minimum 3 years experience in Information Security is required. 2. Clearly ... understands the function and content of Information Security policies, standards and... more |
|||
| Nov 16 | INFORMATION SECURITY SPECIALIST, LEAD Job | CACI International | Clinton, MD |
|
INFORMATION SECURITY SPECIALIST, LEAD (60964) Information Systems - Security ... security technologies, and performing information technology security research. more |
|||
| Nov 14 | Information Security Engineer | L-3 Communications | Washington, DC |
|
a current opening for a Senior Information Security Engineer in the Northern Virginia ... US Security Clearance Required : Top Secret/SCI FSP Schedule : Full-time Shift : Day - 1st... more |
|||
| Sep 14 | Information Security Risk Analyst | Utkarsh System | Washington, DC |
|
of Information Security (OIS) provides information security services to the WBG. ... working in an information security, information technology, and information risk... more |
|||
Jobs by