security Jobs in District of Columbia

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Security Engineer

ManTech

Herndon, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Security Engineer to join our team in Herndon, VA. The Security Engineer will design, implement, and maintain secure environments that align with compliance standards in support of a high priority mission at one of our National Intelligence Customers. This role requires an individual with a strong technical foundation in cybersecurity, a deep understanding of federal security frameworks, and a proactive approach to protecting mission-criti

Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI w. Polygraph

General Dynamics Information Technology

Elkridge, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Cyber Security Job Qualifications: Skills: Cybersecurity, Information Security Operations, Information System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: *Position is currently located in Elkridge, MD and will relocate to anoth

AI Security Engineer

Motion Recruitment Partners, LLC

Washington, District of Columbia, USA

Full-time

Job Title: Security Engineer - AI Red Teaming & Threat Analytics Location: Washington, DC (Hybrid - 3 Days Onsite) Type: 6-Month Contract-to-Hire Clearance: Must be eligible for Public Trust Overview: Our client is seeking a Security Engineer with a strong background in AI security, red teaming, and adversarial testing. This role focuses on securing enterprise LLM platforms such as Copilot, Azure OpenAI, and AWS Bedrock by identifying vulnerabilities, mitigating misuse, and implementing robu

Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI w. Polygraph

General Dynamics Information Technology

Elkridge, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Cyber Security Job Qualifications: Skills: Cybersecurity, Information Security Operations, Information System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: *Position is currently located in Elkridge, MD and will relocate to anothe

Information System Security Manager (ISSM)

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Do you love solving problems while enabling impactful research to operate securely? Are you passionate about making meaningful contributions to national security cyber missions? Do you like collaborating with a team with varied strengths to tackle complex problems which enable research across space exploration, cybersecurity, national defense, and cutting edge technologies? If so, we're looking for someone like you to join our team at APL. We are ranked as one of Computerworld '

Information Systems Security Engineer

Nightwing

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Network Security Engineer

TECKNOMIC LLC

Washington, District of Columbia, USA

Full-time

This is a full-time position with Tecknomic and the project is with the Office of the Chief Financial Officer (OCFO). This is a hybrid role (onsite 3 days per week), but initially will be fully onsite (see details in job description below). Please note, in order to apply for this position, you must be able to provide proof of Covid-19 vaccination. This role closes on 8/1/2025. Q009 - Network Security Engineer *only submit candidates local to the DMV area* **read position notes at the top of th

Lead, Information Security Systems Engineer (Secret Security Clearance)

Harris Corporation

Ashburn, 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

Information Systems Security Engineer

Booz Allen Hamilton

Fort Belvoir, Virginia, USA

Full-time

Job Number: R0221437 Information Systems Security Engineer The Opportunity: Are you looking for an opportunity to share your experience in system security engineering to help our country and assist our clients with critical missions? As a systems security and network security engineer, you can identify the Information System Security Engineering needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementat

Cloud Security Architect Azure

U.S. Tech Solutions Inc.

Sterling, Virginia, USA

Contract

Job Description: The Cloud Security Architect is a technology and process focused thought-leader with an emphasis in public cloud architecture and engineering. As a lead member of the Warner Bros. Discovery (WBD) cloud security team, the Cloud Security Architect will help support the infosec functions of policy shaping, architectural reviews, compliance, and assessment while providing direct guidance to product and engineering teams for all public cloud related matters in Azure, Google Cloud Pla

Senior Information Assurance/Security Specialist - TS/SCI

Gridiron IT Solutions

Arlington, Virginia, USA

Full-time

Provide senior cybersecurity consulting services, in developing and implementing a the Department-of the Air Force (DAF) cybersecurity program.Develop policies, procedures, and guidance for managing cybersecurity risks.Apply expert understanding of Federal (e.g., National Institute of Standards and Technology [NIST] and Office of Management and Budget [OMB], and Department of Defense [DoD]) regulatory and statutory cybersecurity requirements to include Risk Management Framework (RMF), Cybersecu

Network Security Engineer with Min 4yrs exp (Webcam Interview) (HYBRID_ Only Local to DC/MD/VA Area or within 20 miles of SE Washington, D.C.)

NextGen Solutions Corporation

Washington, District of Columbia, USA

Full-time, Contract, Third Party

We are looking for Network Security Engineer (Min 4+ years of exp) HYBRID (Webcam interviews) POSITION DESCRIPTION DIRECT CLIENT Position Number of positions: 1 Length: 14 Months + Location: Washington DC, 20020 Immediate interviews Webcam interviews ONLY Network Security Engineer *local candidates to DMV region* *Hybrid position* Mandatory 4-week probationary period: Candidate must be on site every day for the first 4 weeks Starting in week 5, 6 or even 8: Transition to hybrid schedule (3 da

Information System Security Officer (ISSO) MID-LEVEL (Government)

AT&T Inc.

Chantilly, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located in the location(s) posted. No relocation is offered. 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

Security Administrator (Two-Factor Authentication Expert)

Nasscomm, Inc.

Washington, District of Columbia, USA

Contract

Familiarity with Entrust products, including Two-Factor Authentication solutions, certificate management, and encryption technologies. Ability to collaborate effectively with cross-functional teams to integrate email systems with other applications and platforms. Excellent communication skills to provide technical support and guidance to end-users. Proven ability to multi-task Knowledge of best practices and IT operations in an always-up, always-available service Manages time effectively Creati

Information System Security Engineer (ISSE)

Parsons Services Company

Chantilly, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for a sharp and talented Information Systems Security Engineer (I

IT Security Specialist

ShorePoint, Inc

Washington, District of Columbia, USA

Full-time

Who we are: ShorePoint is a fast-growing, industry recognized and award-winning cybersecurity services firm with a focus on high-profile, high-threat, private and public-sector customers who demand experience and proven security models to protect their data. ShorePoint subscribes to a work hard, play hard mentality and celebrates individual and company successes. We are passionate about our mission and going above and beyond to deliver for our customers. We are equally passionate about an enviro

SAP NS2 Expert Information Security Compliance Analyst-Metro DC

SAP Americas, Inc.

Herndon, Virginia, USA

Full-time

We help the world run better At SAP, we enable you to bring out your best. Our company culture is focused on collaboration and a shared passion to help the world run better. How? We focus every day on building the foundation for tomorrow and creating a workplace that embraces differences, values flexibility, and is aligned to our purpose-driven and future-focused work. We offer a highly collaborative, caring team environment with a strong focus on learning and development, recognition for your i

Virtru Security Engineer

Booz Allen Hamilton

Arlington, Virginia, USA

Full-time

Job Number: R0219984 Virtru Security Engineer The Opportunity: As a Virtru Security Engineer you'll play a critical role in the world of zero t rus t. You will support the cyber architecture development, implementation, and sustainment across multiple networks of different classification levels. You'll interface with stakeholders and engineering teams to delve into the details and dependencies of critical processes and users' roles within them. You'll lead security compliance initiatives and a

Cybersecurity Systems Engineer/Information Systems Security Engineer (ISSE) - TS/SCI w. Polygraph

General Dynamics

Elkridge, Maryland, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Cyber Security Job Qualifications: Skills: Cybersecurity, Information Security Operations, Information System Security Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: *Position is currently located in Elkridge, MD and will relocate to anothe

Data Center Security Officer

Securitas

Dumfries, Virginia, USA

Full-time

Data Center Security Officer Your Next Career Opportunity Starts Here! What We Offer for Security Officers: Pay: $19.00 per hourShift Availability: 2nd Shift: 2:00 PM - 10:00 PM3rd Shift: 10:00 PM - 6:00 AM (Required to work at least one weekend shift, Saturday or Sunday) Apply now and take the first step toward a rewarding career with Securitas USA! Why Join Securitas? Weekly Pay: Get paid every week!Career Growth Opportunities: Advance your career with leadership roles, specialized training