Security Analyst Jobs in District of Columbia

141 - 160 of 601 Jobs

Information Systems Security Officer (ISSO) 2 - TS/SCI w/PolyJob Title - Information Systems Security Officer (ISSO) 2 - TS/SCI w/Poly

JacobsCompany Name - Jacobs

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Columbia, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Officer (ISSO) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide support for a program, organization, system, or enclave's information assurance program. Provide support for proposing, coordinating, implementing, and enforcing information systems security policies, standards, and methodologies. Maintain operational security posture for an information system or program to ensure information s

Information Systems Security Manager (ISSM) 2 - TS/SCI w/PolyJob Title - Information Systems Security Manager (ISSM) 2 - TS/SCI w/Poly

JacobsCompany Name - Jacobs

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Fort Meade, Maryland, USA

Full-time

Your Impact: We are seeking an Information Systems Security Manager (ISSM) 2 for a prime contract that is based out of our Columbia, MD office. Responsibilities: Provide management support for a program, organization, system, or enclave's Information Assurance program. Provide management support for proposing, coordinating, implementing, and enforcing Information System Security policies, standards, and methodologies. Manage operational security posture for an Information System or program to

Information Systems Security Engineer (ISSE)Job Title - Information Systems Security Engineer (ISSE)

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Information Systems Security Engineer (ISSE) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a proactive and skilled **Information Systems Security Engineer (ISSE)** to join our team and play a critical role in ensuring the security and integrity of our information systems. In this role, you will design, implement, and maintain security solutions to safeguard sensitive data and infrastructure. You will c

Senior MQ Engineer - Security Clearance RequiredJob Title - Senior MQ Engineer - Security Clearance Required

MaximusCompany Name - Maximus

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Maryland, USA

Full-time

General information Job Posting Title Senior MQ Engineer Date Wednesday, July 16, 2025 City Annapolis Junction State MD Country United States Working time Full-time Description & Requirements Maximus is seeking an experienced Senior MQ Engineer to support a federal client in their mission-critical defense systems for Homeland Security. In this role, you will be responsible for the daily operations and administration of IBM MQ environments, ensuring secure, reliable message flow across applicatio

Cybersecurity EngineerJob Title - Cybersecurity Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Cybersecurity Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Cybersecurity Engineer to join our team and play a pivotal role in protecting our organization's critical systems and data. This position offers the opportunity to design, implement, and maintain robust security measures while collaborating with a talented team to address evolving cyber threats. The ideal cand

Information Systems Security Officer (ISSO I) (Government)Job Title - Information Systems Security Officer (ISSO I) (Government)

AT&T Inc.Company Name - AT&T Inc.

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Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. RIS I is the delivery of regional IT services to the end user. We offer support of end user devices including desktop, w

Mid Security EngineerJob Title - Mid Security Engineer

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221415 Security Engineer, Mid The Opportunity: We are seeking an experienced Security Engineer to join our Security Operations Center ( SOC ) team. As a Security Engineer, you will provide technical expertise in securing enterprise systems, networks, and data, and will be instrumental in enhancing the agency's security posture in alignment with federal cybersecurity frameworks and compliance requirements. You will work closely with SOC analysts, incident resp ond ers, threat hunte

iOS Vulnerability Engineer (Software)Job Title - iOS Vulnerability Engineer (Software)

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

iOS Vulnerability Engineer (Software) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled and innovative iOS Vulnerability Engineer (Software) to join our team and help identify, analyze, and mitigate security vulnerabilities in iOS systems and applications. In this role, you will focus on uncovering potential threats, developing secure solutions, and ensuring the integrity of iOS platfo

Industrial Security Representative/Facility Security OfficerJob Title - Industrial Security Representative/Facility Security Officer

LeidosCompany Name - Leidos

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Lorton, Virginia, USA

Full-time

Description The Digital Modernization Group at Leidos is seeking an Industrial Security Representative/FSO supporting HEITS Contract in Lorton, VA. The position will be a part of the Leidos Defense/Intel IT Business Area. The ISR/FSO works under the guidance of the Leidos Defense & Intel IT, Business Area Security Manager in the application of Leidos security standards and practices to existing government and Leidos facilities identified by the contract(s). The ISR/FSO is responsible for safegu

Senior Principal Consultant - Security A&A Engineer (Clearance Required)Job Title - Senior Principal Consultant - Security A&A Engineer (Clearance Required)

Oracle CorporationCompany Name - Oracle Corporation

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Reston, Virginia, USA

Full-time

Job Description Must current hold and have the ability to maintain a TS/SCI with Poly. We are seeking a highly experienced and motivated Information Systems Security Analyst to join a new and exciting task order. The ideal candidate will play a critical role in assisting with driving all assessment & authorization (A&A) efforts for a new data platform. Working along side a team of technical engineers, this role requires both cybersecurity experience and technical saavy. In this role, you will

Information System Security Officer (ISSO)Job Title - Information System Security Officer (ISSO)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Manassas, Virginia, USA

Full-time

Job Description Lockheed Martin is a Cyber Security pioneer, partner, innovator, and builder. Our amazing employees are on a mission to make a difference in the world and every single day we use our unique skills and experiences to create, design and build solutions to some of the worlds' hardest engineering problems. We encourage our employees to think big, perform with excellence, and build incredible products. If you have the passion and courage to dream big, we invite you to join our cultu

Information Systems Security Officer (ISSO3) (Government)Job Title - Information Systems Security Officer (ISSO3) (Government)

AT&T Inc.Company Name - AT&T Inc.

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Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. MAROONMIDNIGHTS (MMN) Provide IT support and solutions developed for National Cryptologic University classified training

Cyber Systems Security Engineer SrJob Title - Cyber Systems Security Engineer Sr

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Manassas, Virginia, USA

Full-time

Job Description What We're Doing At Lockheed Martin - Rotary and Mission Systems, we're shaping the future of Undersea Warfare (USW) systems. Our mission is to develop innovative technologies that secure our nation's defense. We are integrating state-of-the-art cybersecurity solutions into mission-critical systems to ensure resilience, integrity, and continued superiority under the sea and across domains. The Work As a Cyber Systems Security Engineer Staff, you will take a leadership role in

Network Security EngineerJob Title - Network Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Network Security Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and passionate Network Security Engineer to join our team and play a critical role in safeguarding our organization's digital infrastructure. In this position, you will design, implement, and maintain robust security measures to protect networks, systems, and data from cyber threats. You'll work closely with cross-functio

Technical Security and Signals Countermeasures (TSSC) EngineerJob Title - Technical Security and Signals Countermeasures (TSSC) Engineer

LeidosCompany Name - Leidos

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Bethesda, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Technical Security and Signals Countermeasures (TSSC) Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with

Cyber Security InfoSec Engineer / Information Systems Security OfficerJob Title - Cyber Security InfoSec Engineer / Information Systems Security Officer

SilverEdgeCompany Name - SilverEdge

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Reston, Virginia, USA

Full-time

Overview Provide cyber security support for information systems, from Assessment and Authorization through Operations and Maintenance. This includes applying Risk Management Framework expertise and supporting developers and engineers in maintaining Authority to Operate compliance for information systems. Required Qualifications Support the assessment and authorization by applying expert-level knowledge of NIST SP 800-53 (Revision 4 and Revision 5).Draft security documentation, including Plan

Sr. AV and Security Applications Engineer - PlacementJob Title - Sr. AV and Security Applications Engineer - Placement

Apex SystemsCompany Name - Apex Systems

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Oxon Hill, Maryland, USA

Full-time

Job#: 2071401 Job Description: Senior AV and Security Applications Engineer Apex Systems is seeking an experienced AV and Security Applications Engineer for one of our large GovCon clients. The ideal candidate will have expertise in Cloud Access Security Broker (CASB) solutions, Trellix products, and the Analyst1 threat intelligence platform. The Senior AV and Security Applications Engineer should feel comfortable optimizing and managing CASB, Trellix, and Analyst1 tool implementations while co

Security EngineerJob Title - Security Engineer

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Description We are seeking a highly skilled Cyber Security Engineer supporting the NRO cyber operations group or Industrial Control Systems group at each site by working with the Information Security Offices to design, implement, and support defensive security solutions that safeguard mission-critical systems and data. The ideal candidate will have deep expertise in cyber threat research, vulnerability assessment, and secure software development practices. This role focuses on protecting network

System Security EngineerJob Title - System Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

System Security Engineer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly motivated and detail-oriented System Security Engineer to design, implement, and maintain security measures that protect our critical systems and data. In this role, you will work closely with cross-functional teams to identify vulnerabilities, develop robust security solutions, and ensure compliance with industry standards

Information System Security EngineerJob Title - Information System Security Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Information System Security Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled and proactive Information System Security Engineer to join our cybersecurity team. In this role, you will design, implement, and maintain security solutions to protect critical information systems and ensure compliance with established security standards. You will collaborate with cross-functional teams to asse