Information Systems Security Engineer Jobs in District of Columbia

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Lead Systems Engineer (Payload)

QinetiQ US

McLean, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Network Systems Engineer (IT SE III) (Government)

AT&T Inc.

Chantilly, Virginia, 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. Our National Security Team supports the intelligence community, providing, operating, and assuring critical voice, video

Systems Engineer

Leidos

Fort Belvoir, Virginia, USA

Full-time

Description Are you ready to take the lead at the forefront of national security? Leidos is on the hunt for a driven, innovative Junior Systems Engineer to support our mission at Ft. Belvoir, VA, Dahlgren, VA, or Redstone Arsenal, AL. This isn't just another engineering role-it's your chance to directly impact the Missile Defense Agency's (MDA) Special Access Program Central Office (SAPCO), where cutting-edge defense technology meets unwavering security. Your Role: More Than Just a Job In this

Senior Project Engineer (Engineer Systems 3) - 23726

HII

Merrifield, Virginia, USA

Full-time

Requisition Number: 23726 Required Travel: 11 - 25% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $94,269.00 - $120,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior This opportunity resides with Global Security (GS). Mission Technologies' Global Security (GS) group comprises live, virtual, constructive (LVC) solutions; fleet sustainment; nuclear and environmental; and Australia business. As a trusted partner to our military customers, HII designs,

Information Security Consultant - Threat Detection & Adversary Simulation

Mass Mutual Financial Group

Remote or Boston, Massachusetts, USA

Full-time

The Opportunity Within our Enterprise Cybersecurity organization, you will work closely with the Security Intelligence team and be responsible for leverage real world adversarial techniques to perform pen tests and simulate attacks on existing and upcoming services spanning across applications, servers, and end-user assets. The Team Within the Security Operations Center, partner with Incident Response Teams for Red/Purple Team assessments and work with Security Intelligence to identify and test

Information Security Engineer DLP & UEBA

CIMA

Remote

Contract

W2 Only No C2C or third-party submissions will be accepted. Job Title: Information Security Engineer DLP & UEBA Focus Location: Remote (U.S. based) Overview: We are seeking an experienced Information Security Engineer DLP & UEBA Focus with a specialized focus on Data Loss Prevention (DLP) and User Entity Behavior Analytics (UEBA). This role supports and leads key initiatives involving Microsoft s Security and Compliance tools, with an emphasis on Microsoft Purview and Microsoft Defender. The id

Network Security Engineer

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

Network Security Engineer LOCATION Annapolis Junction, MD 20701 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 c

Network Security engineer

DMV IT Consulting

Washington, District of Columbia, USA

Full-time

Hi Everyone, Please look into the requirement and share me relevant profiles to Role: Network Security engineer Location: DC Duties & Responsibilities:a. Ability to monitor and analyze data traffic patterns within the OCFO network infrastructure;b. Identify network problems and recommend improvements to ensure optimal performance;c. Ability to improve network quality regarding any degradation;d. Ability to enhance security and knowledge of the latest security threats, worms and malware and advi

Senior Engineer, Software Systems- DC (R3539)

Shield AI Inc

Washington, District of Columbia, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices in San Diego, Dallas, Washington, D.C., Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allied operations worldwide. For more information, visit Follow Shield AI

Senior Software Engineer - Platform Security

Aduril Industries

Washington, District of Columbia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Senior Information Security Analyst - Research (Remote)

Northwell Health

Remote or New Hyde Park, New York, USA

Full-time

Job Description Collaborates closely with Research Information Security Specialist and Enterprise Digital Services (EDS) IT Security team to develop and implement security measures and controls for research platforms and applications. Plans, designs, implements, and provides ongoing support for the organization security technologies. Assists other associates with regard to training and work assignments. Job Responsibility Conduct comprehensive IT audits to assess the adequacy and effectiveness

Systems Engineer

SAIC

Springfield, Virginia, USA

Full-time

Job Description Description SAIC seeks an energetic and talented multi-disciplinary Systems Engineer to join an exciting program and Systems Engineering and Technical Assistance (SETA) team in Springfield, VA. The successful candidate will be a results-oriented, bias towards action self-starter with a willingness to learn and the ability to be an immediate contributor in fast paced, adaptive and innovative team environments. They will possess strong interpersonal and excellent communication (lis

Specialist, Systems Engineer - Watch Officer

Harris Corporation

Springfield, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

System Security Engineer

Cymertek Corporation

Annapolis, Maryland, USA

Full-time

System Security Engineer LOCATION Annapolis Junction, MD 20701 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 indust

Senior Specialist, Systems Engineer - Strategic Planner

Harris Corporation

Springfield, Virginia, USA

Full-time

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Payload Processing Systems Engineer

QinetiQ US

Chantilly, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields a

Mission Systems Engineer

SAIC

Fort Belvoir, Virginia, USA

Full-time

Job ID: 2504216 Location: FORT BELVOIR, VA, US Date Posted: 2025-04-03 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description DESCRIPTION: Merlin has an opportunity for a Mission Systems Engineer in Springfield, VA to provide Systems Engineering and Technical Advisory (SETA) servic

Payload Processing Systems Engineer

QinetiQ

Chantilly, Virginia, USA

Full-time

Company Overview We are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to innovative research in the fields of sensor science, signal processing, data fusion, artificial intelligence (AI), machine learning (ML), and augmented reality (AR). QinetiQ US's dedicated experts in defense, aerospace, security, and related fields all

Information Security Analyst

Techno-Comp, Inc.

Ashburn, Virginia, USA

Contract, Third Party

Job Title: Information Security Analyst Duration: Long Term Location: Ashburn VA or Cary, NC or Temple Terrace, FL (Day one hybrid) Interview: Telephonic & F2F/Skype Description: Primary skills: They will be working on escalations of the ticketsThreat hunter backgroundGo getter personality, with excellent communication skillsSOC environment 5+ yearsPython Required Skills: Lead and consult with Tier II SOC Analysts, providing expert insight and feedback on pertinent security incidents.Oversee co

Lead Infrastructure Systems Engineer

Akima, LLC

Alexandria, Virginia, USA

Full-time

Suvi Global Services is seeking a seasoned Lead Infrastructure Systems Engineer to provide technical leadership and strategic direction for enterprise infrastructure systems across classified and unclassified environments. This role is pivotal in architecting, deploying, and managing complex IT systems that support a global workforce and critical mission operations. The ideal candidate will possess deep expertise in cloud and on-premises infrastructure, lifecycle systems management, and secure s