Senior Network Security Engineer Jobs in District of Columbia

461 - 480 of 645 Jobs

IT Security Analyst T3 - Herndon, VA - 3 days Onsite every week - Only W2 candidatesJob Title - IT Security Analyst T3 - Herndon, VA - 3 days Onsite every week - Only W2 candidates

Emergere TechnologiesCompany Name - Emergere Technologies

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Herndon, Virginia, USA

Contract

IT Security Analyst T3 Local to Washington, DC or Herndon, VA area Description: *This role requires in office (Herndon) 3 days a week (Tuesday, Wednesday & Thursday) but may increase as business needs change.* Summary: Security Analyst (SA) will assist with the creation, update, and maintenance of FedRAMP required security documentation, associated artifacts, and Continuous Monitoring (CONMON) requirements such as the Plan of Action and Milestones (POAM) and assisting the Cloud Operations team

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

Evolver FederalCompany Name - Evolver Federal

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Springfield, Virginia, USA

Full-time

Evolver Federal is seeking an Information System Security Officer (ISSO) to support its Federal client in Springfield, VA in managing all aspects of security for assigned National Security Systems (NSS) to ensure the data stored, processed, and transmitted by the assigned system(s) is protected in accordance with the appropriate Agency policies and NIST 800-53 security controls. The successful candidate will have previous experience as an ISSO and Security Control Assessor having documented the

Information System Security Manager (ISSM)Job Title - Information System Security Manager (ISSM)

Johns Hopkins University AppliedPhysicsLaboratoryCompany Name - Johns Hopkins University AppliedPhysicsLaboratory

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

Radiance TechnologiesCompany Name - Radiance Technologies

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Maryland, USA

Full-time

Radiance Technologies, a 100% employee-owned company, is seeking a Journeyman Information Systems Security Officer (ISSO) to support cybersecurity operations for the Project Manager for Cyber and Space (PM C&S) within the Program Executive Office for Intelligence, Electronic Warfare, and Sensors (PEO IEW&S). The ISSO will assist in safeguarding DoD information systems, ensuring cybersecurity compliance, and implementing DoD cyber policies and standards throughout system lifecycles. This position

Application Security ArchitectJob Title - Application Security Architect

ConsultNet, LLCCompany Name - ConsultNet, LLC

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Rockville, Maryland, USA

Full-time

Title: Application Security Architect Location : Rockville, Maryland Target Start Date : ASAP Type: contract Pay Rate: DOE We are seeking a Senior Application Security Architect to lead the design and implementation of robust, enterprise-wide application security architecture. This role is instrumental in shaping security strategy, setting technical standards, and integrating security practices across the software development lifecycle (SDLC). You'll collaborate with cross-functional teams to

Security Control Assessor - PlacementJob Title - Security Control Assessor - Placement

Apex SystemsCompany Name - Apex Systems

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Alexandria, Virginia, USA

Full-time

Job#: 2080003 Job Description: Apex Systems is seeking a Security Control Assessor to support the US Coast Guard in Alexandria, VA. If interested email your resume. #clearance Position: Security Control Accessor Location: Fully onsite in Alexandria, VA Hours: Regular Business hours Compensation: $130,000-150,000yr What You'll Get to Do As the Security Control Assessor, you will be a member of a team in our Service Assurance organization responsible for managing all Risk Management Framework

IT TechnicianJob Title - IT Technician

SAICCompany Name - SAIC

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Washington, District of Columbia, USA

Full-time

Job ID: 2506934 Location: WASHINGTON, DC, US Date Posted: 2025-06-24 Category: Information Technology Subcategory: Technical Svcs Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: DOE Q Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description We are currently seeking a motivated, career and customer service oriented Mid-level Tier II Help Desk/Asset Management Technician to begin an exciting and challenging career with SAIC. In th

Information Assurance/Security Specialist (RPA/AI)Job Title - Information Assurance/Security Specialist (RPA/AI)

Metric5Company Name - Metric5

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Washington, District of Columbia, USA

Full-time

Metric5 is seeking a Information Assurance/Security Speccialist (RPA & AI) for an upcoming opportunity. Location: Onsite - Washington, DC Job Description Roles & Responsibilities: Serve as the lead security SME for the BEP RPA program, ensuring all solutions comply with federal and agency-specific security requirements. Administer IT security controls, manage accreditation packages, and support the Authority to Operate (ATO) process for RPA/AI systems and applications. Develop and maintain secur

Cloud Security Architect (OPA - Open Policy Agent/ Rego/ Wiz)Job Title - Cloud Security Architect (OPA - Open Policy Agent/ Rego/ Wiz)

XFORIA IncCompany Name - XFORIA Inc

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McLean, Virginia, USA

Contract

Job Title: Cloud Security Architect Location: McLean, VA (Hybrid) Mode: Contract Preferred skills: DevSecOps, Cloud Security Experience, Security Certifications or AWS Certifications Required Skills: - Policy as code - OPA, Rego, etc. - AWS (IAM/EC2/Lambda/ECS/DynamoDB/RDS/S3/EBS) - Rest APIs/ GraphQL/ SQL / Containers - Advanced level - Python or Go - Demonstrated Serverless Architecture Experience - CICD - IaC (Terraform/CFT), Jenkins - Automated Testing (ATDDs) - Good grasp on Observability

Security LeadJob Title - Security Lead

LeidosCompany Name - Leidos

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Chantilly, Virginia, USA

Full-time

Description Job Description We are seeking a Security Lead is responsible for overseeing all aspects of security operations at a designated site, ensuring strict adherence to security Standard Operating Procedures (SOPs), federal regulations, and agency-specific policies. This position plays a critical role in the protection of classified and sensitive information and equipment, ensuring compliance with NRO and other federal agency requirements. The Site Security Lead acts as the primary liaiso

Program Security Officer 2Job Title - Program Security Officer 2

ManTechCompany Name - ManTech

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Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Program Security Officer 2 PSO 2 to join our team in Chantilly, VA. Responsibilities include but not limited to: Provides advice and assistance regarding a range of security issues and concerns to government and program security officers in different geographical locationsProvides classification management, program security, information systems security, personnel security, and physical security to guide customers and industry partnersCond

Platform/Infrastructure EngineerJob Title - Platform/Infrastructure Engineer

NightwingCompany Name - Nightwing

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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

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

Redhorse CorporationCompany Name - Redhorse Corporation

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Fort Meade, Maryland, USA

Full-time

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 is seeking a highly skilled Informa

Cyber Lead / System Security Officer (SSO)Job Title - Cyber Lead / System Security Officer (SSO)

General DynamicsCompany Name - General Dynamics

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Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: Confidential Public Trust/Other Required: SSBI (T5) Job Family: Information Security Job Qualifications: Skills: Information Technology Security, Security Policies, Vulnerability Management Certifications: None Experience: 8 + years of related experience ship Required: No Job Description: Qualifications: The ideal candidate will have at least seven (7) years of IT knowledge

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

Cyber Incident Response Analyst IIIJob Title - Cyber Incident Response Analyst III

NightwingCompany Name - Nightwing

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Remote or Sterling, Virginia, USA

Full-time

Cloud Security Technical Project ManagerJob Title - Cloud Security Technical Project Manager

SAICCompany Name - SAIC

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Chantilly, Virginia, USA

Full-time

Job ID: 2506833 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Cyber Subcategory: Cyber 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 SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings acr

Security Monitor 2Job Title - Security Monitor 2

LeidosCompany Name - Leidos

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Springfield, Virginia, USA

Full-time

Description We are seeking a Security Monitor to support a large facility maintenance program management team. We are seeking a vigilant and highly responsible Security Monitor to safeguard personnel, property, and assets within a secured environment. The Security Monitor will be responsible for monitoring surveillance systems, patrolling the premises, controlling access to restricted areas, and responding to security incidents in accordance with established protocols. The ideal candidate will

Cyber Security Architect - Security Architect - Blue TeamJob Title - Cyber Security Architect - Security Architect - Blue Team

SESCompany Name - SES

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Remote

Full-time

Security Architect - Cyber Security Architect - Blue Team Type: W2 With Benefits - No C2C Location: Will Be Supporting Denver, CO Hours The Work You will work with our team of Architects to craft secure design patterns, perform security assessments, and review system designs using a risk-based, threat-modeling approach. The Security Architect will have the following core responsibilities: Partner with business and technology teams to define security designs that meet security requirements and en

Cyber Network Defense Analyst IV APJob Title - Cyber Network Defense Analyst IV AP

NightwingCompany Name - Nightwing

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Sterling, Virginia, USA

Full-time