System Security jobs in Alexandria, VA

Arlington, Virginia

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Today

Job ID: 2614441 Location: Arlington, VA, US Date Posted: 2026-07-09 Category: Cyber Subcategory: Cyber 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: ORA_ON_SITE Description SAIC is seeking an Information System Security Engineer (ISSE) to join our team. This position is in Arlington, VA and requires an active Top Secret/SCI clearance. Job responsibilities include, but are

Full-time

USD 120,001.00 - 160,000.00 per year

Information System Security Engineering (ISSE)

Alexandria, Virginia

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5d ago

Job Title: Information System Security Engineering (ISSE) Location(s): Quantico, VA Hours: Regular Full-Time Clearance Requirements This position requires a current and active TS/SCI with Poly at the time of application. What you will be doing: The ISSE shall provide CI and HUMINT support ensuring software designs and prototypes are compliant per Supply Chain Risk Management (SCRM) requirements. The minimum skill level is Senior level. Mid-level contractor personnel work independently with

Full-time

Information System Security Engineer

Washington, District of Columbia

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Today

A growing cybersecurity firm is seeking an Information Systems Security Engineer to support the security of federal cloud and enterprise systems. This is a hybrid role based in Washington, DC, focused on cloud security engineering, secure architecture, and integrating security throughout the system lifecycle. Responsibilities Design and implement security controls across Azure, AWS, and enterprise environments. Assess cloud architectures, networking, firewalls, and security configurations. Int

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Contract

$70 - $75

Senior Information System Security Officer (TS SCI) - PLACEMENT

Oxon Hill, Maryland

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Today

Job#: 3041514 Job Description: Senior Information System Security Officer Location: Washington, DC (Hybrid) Work Environment This position is currently 100% remote. However, candidates must be located within a local radius of Washington, D.C., and be available to come onsite occasionally if requested. PLEASE NOTE: Candidates must be able to obtain and/or maintain a Department of Defense Secret TS/SCI security clearance as a condition and continuation of employment* (sponsorship unavailable)

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Full-time

$75 - $75 per hour

Intermediate Information System Security Officer - PLACEMENT

Oxon Hill, Maryland

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Today

Job#: 3041524 Job Description: (100% Remote / DMV Area) - ISSO / Cybersecurity Analyst - ** $67.00 - $72.00 / Hourly Rate ** Apex Systems has an Immediate Need for a (100% Remote) ISSO / Cybersecurity Analyst that lives in the Area of Washington DC / Maryland / Northern VA !! This will be an "est. 6 Month Contract to Permanent Hire" opportunity, supporting one of our Largest DoD / Government Clients across the East Coast! Please See Below for all Position Details & How To Apply. HOW TO APPLY

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Full-time

$67 - $67 per hour

Senior Information System Security Engineer

Chantilly, Virginia

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Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses da

Full-time

Information System Security Officer (ISSO)

Arlington, Virginia

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Today

Description & Requirements Maximus is seeking a highly skilled Information Systems Security Operator (ISSO) to join our team in Rosslyn, VA. The ideal candidate will be responsible for ensuring the security and integrity of our information systems by implementing and maintaining robust security measures. This includes developing and enforcing security policies, conducting regular security audits, and staying up to date with the latest cybersecurity threats and trends. This position if fully ons

Full-time

USD 116,500.00 per year

Principal Information System Security Engineer (ISSE)

Chantilly, Virginia

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Today

Full-time

Senior Information System Security Engineer (ISSE)

Alexandria, Virginia

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Today

Description Join us in transforming how technology serves those who serve. At Leidos, we\'re not just delivering solutions - we\'re pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to succeed in their critical missions. We believe in leading with integrity, investing in our communities, and building sustainably for tomorrow. Shape the future of digital defense. Our Digital Sector is at the fore

Full-time

USD 131,300.00 - 237,350.00 per year

Information System Security Engineer

Washington, District of Columbia

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Today

MANTECH seeks a motivated, career and customer-oriented Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA, Quantico, VA, or Huntsville, AL. Responsibilities include, but are not limited to: Identify information protection needs for an IS and Network Environment. Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network Environment. De

Full-time

Senior Cloud Information System Security Engineer

Washington, District of Columbia

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Today

MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA. Responsibilities include, but are not limited to: Identify information protection needs for an IS and Network Environment. Define IS and Network Environment security requirements in accordance with applicable cybersecurity requirementsDesign security architectures for use within the IS and Network Environment. Desig

Full-time

Information System Security Officer

Chantilly, Virginia

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Today

MANTECH is seeking a motivated, career and customer-oriented Information System Security Officer (ISSO) to join our team in Chantilly, VA. Responsibilities include but are not limited to: Ensures network nodes are operated, maintained, and disposed of in accordance with security policies and practices. Perform Information System Security Officer (ISSO) duties in support of in-house and external customers. Also, perform duties as the alternate Information Systems Security Manager (ISSM). Cyber

Full-time

Information System Security Engineer

Quantico, Virginia

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Today

Full-time

Senior Cloud Information System Security Engineer

Chantilly, Virginia

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Today

Full-time

Senior Cloud Information System Security Engineer

Quantico, Virginia

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Today

Full-time

Senior Information System Security Officer (ISSO)

Vienna, Virginia

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Today

Job Title: Senior Information System Security Officer (ISSO) Clearance Required: Public Trust, ; Work Location: Hybrid. Alpha Omega is searching for an experienced Senior Information System Security Officer (ISSO) to join one of our long-term Federal projects. Alpha Omega is looking for a Senior Information System Security Officer (ISSO) to join our team to support one of our government customers. The primary responsibilities for the position are to support all portfolio level documentation fo

Full-time

USD 119,000.00 - 170,000.00 per year

Physical Security System Designer

Remote or West Palm Beach, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Physical Security System Designer in West Palm Beach, FL. Key Responsibilities: * Design, deploy, and produce security design sets for access control, video management/CCTV, intrusion detection/alarm, intercom, and perimeter protection systems: device placement on floor plans, coverage analysis, and cabling/conduit and power requirements * Develop system architecture, engineering drawings, network diagrams, and technical requirements/speci

Full-time

$75,000 - $100,000 annually

Senior System Engineer (Email Security Migration)

Washington, District of Columbia

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5d ago

Senior System Engineer (Email Security) Washington, DC - 100% ONSITE Compensation: W2 or C2C Per Federal contract U.S. Citizenship Required Security Clearance: Must be able to pass Federal background check Application Deadline: 9/11/2026 Responsibilities: Lead the migration from on-premises IronPort email security appliances to Proofpoint cloud-based email security solution, ensuring seamless transition with minimal disruption to email services. Design, configure, and maintain Proofpoint as a

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Contract

Depends on Experience

Information Security Systems Officer - DOL

Washington, District of Columbia

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2d ago

Company DescriptionTechSurSolutions is a digital services company whose mission is to enable digital transformation for our customers to improve quality and efficiency.Based in the DC metropolitan area,TechSurspecializes in advanced cloud services, modernization for both ITstructuresand applications, leveraging Agile development, and Data Analytics.Since we were formed inAugust of2016,we have supported multiple impactful and excitinggovernment programs. Job DescriptionTechSur is seeking an Info

Full-time

Depends on Experience

Information System Security Officer

Washington, District of Columbia

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Today

Requisition ID: 3924Standard Title: Required Security Clearance: Top Secret/SCI with CI PolygraphLocation: Washington, DCWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking an Information System Security Officer to work with application leads, system administrators, database administrators, developers, and testers to ensure assigned systems are security compliant and achieve or maintain Authority to Operate (ATO

Full-time

System Security jobs in Alexandria, VA, USA