Security Analyst Jobs in District of Columbia

141 - 160 of 543 Jobs

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

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

Senior Systems Engineer Onsite Fort Meade, MD Active Security ClearanceJob Title - Senior Systems Engineer Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

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Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Senior Systems Engineer Onsite Fort Meade, MD Full Time/Perm/$Salary + Benefits Active Security Clearance Required! Develops Cloud-based Solutions in conjunction with managing Cyber Security for Secured Networks

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

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

Active Directory Engineer Onsite Fort Meade, MD Active Security ClearanceJob Title - Active Directory Engineer Onsite Fort Meade, MD Active Security Clearance

SmoothStackCompany Name - SmoothStack

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Fort Meade, Maryland, USA

Full-time

Interviewing/Hiring NOW Active Directory Engineer Onsite Fort Meade, MD Full Time/Perm/$Salary + Benefits Active Security Clearance Required! Architecting/Engineering Enterprise Level Solutions

Microsoft365 Identity and Access Management (IAM) and Security EngineerJob Title - Microsoft365 Identity and Access Management (IAM) and Security Engineer

General DynamicsCompany Name - General Dynamics

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Rockville, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Cloud Job Qualifications: Skills: Cloud Development, Cloud Infrastructure, Cloud Solutions, Microsoft Applications, Microsoft Platforms Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: GDIT is hiring a Microsoft365 Identity & Access Management (IAM) and Security Engineer

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

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

IBM Security Access Manager (SAM) / Middleware EngineerJob Title - IBM Security Access Manager (SAM) / Middleware Engineer

International Logic Systems, Inc. (ILS)Company Name - International Logic Systems, Inc. (ILS)

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Remote or Fairfax, Virginia, USA

Full-time

ILS Inc. is seeking an experienced Middleware Engineer with strong expertise in IBM Security Access Manager (ISAM) and Application Server administration to support a secure, enterprise-level federal environment. The ideal candidate will be responsible for the configuration, integration, maintenance, and troubleshooting of middleware technologies, ensuring availability, scalability, and security compliance. Must be able to be W2 employee; no C2C. ResponsibilitiesInstall, configure, and manage IBM

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

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

Cybersecurity AnalystJob Title - Cybersecurity Analyst

Cymertek CorporationCompany Name - Cymertek Corporation

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Reston, Virginia, USA

Full-time

Cybersecurity Analyst LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a dedicated and detail-oriented Cybersecurity Analyst to join our team and help safeguard our systems and data from potential threats. In this role, you will monitor and analyze security events, identify vulnerabilities, and implement measures to protect against cyberattacks. You will work closely with teams across the organization to

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

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

•

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

Android Mobile Reverse EngineerJob Title - Android Mobile Reverse Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

Android Mobile Reverse 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 skilled Android Mobile Reverse Engineer to join our team and tackle complex challenges in analyzing, deconstructing, and understanding Android applications and systems. In this role, you will use your technical expertise to uncover vulnerabilities, enhance system security, and contribute to the development of innovative sol

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

IT Subject Matter Expert - Technical & Security LeadJob Title - IT Subject Matter Expert - Technical & Security Lead

MetaPhase ConsultingCompany Name - MetaPhase Consulting

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Washington, District of Columbia, USA

Full-time

Description At MetaPhase, we believe Quirky is Cool and being authentic is the only way to be! We take the work we do very seriously and do a lot of important mission-focused work for our clients. We are individuals with different passions and strengths who take as much joy in the work we do as from those we work with. Today, we have a team that is invested in creating new solutions that lean forward, challenge the status quo, but also reflect our intimate knowledge of our customers' business.

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

Senior Systems Security EngineerJob Title - Senior Systems Security Engineer

SAICCompany Name - SAIC

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Alexandria, Virginia, USA

Full-time

Job ID: 2507174 Location: ALEXANDRIA, VA, US Date Posted: 2025-07-01 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is hiring a Senior Systems Security Engineer with an active TS/SCI clearance to participate in Independent Technical Risk Assessments (ITRA) and Program Protection Plan () reviews to

SIEM EngineerJob Title - SIEM Engineer

Cymertek CorporationCompany Name - Cymertek Corporation

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Tysons, Virginia, USA

Full-time

SIEM 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 skilled and proactive SIEM Engineer to join our cybersecurity team and play a critical role in safeguarding our systems and data. In this role, you will design, implement, and manage Security Information and Event Management (SIEM) solutions, ensuring real-time monitoring, threat detection, and effective incident response. Collaborating with