3,128 Results for

Senior Security Jobs in Washington, DC

Jobs

Columbia, MD10 days ago

$150,000–$200,000

This role provides oversight and enforcement of enterprise security policies while guiding ISSO teams across secure environments. Clearance Required: Active TS/SCI with Full Scope Polygraph (Maryland Customer).

New!

Falls Church, VA4 days ago

Experience: 8+ years in a technical Cybersecurity Engineering role, with at least 4 years focused on large-scale cloud or hybrid environments, and a portfolio of projects where AI or Machine Learning was directly applied to solve security or operational scaling problems. • API-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities.

Columbia, MD10 days ago

$180,000–$230,000

She Recruits is representing a Full-Time Senior ISSE to support enterprise-level cybersecurity architecture and Risk Management Framework (RMF) initiatives. This role provides technical security engineering guidance across complex systems and ensures compliance with government security frameworks.

Washington, DC12 days ago

Strong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.

Washington, DC12 days ago

Strong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. • Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.

New!

West McLean, VA4 days ago

$120,000–$160,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role will focus on building automation solutions within Windows 11 environments to improve operational efficiency, strengthen security posture, and enhance the overall end-user experience.

Alexandria, VA12 days ago

You will work directly with customer stakeholders across high-visibility DoD, federal, or regulated environments to implement scalable, secure, and high-performing platforms. CALIBRE Systems inc., an employee owned mission focused solutions and digital transformation company, is looking to fill multiple slots in the Washington, DC area.

Washington DC, DC12 days ago

Full-time
Employee

Web Development Skills: Proficiency in PHP, MySQL, HTML, CSS, and JavaScript; working knowledge of additional languages and frameworks (.NET, Python, Ruby, Swift, SQL Server). Modern API Frameworks: Strong experience building scalable APIs using Node.js, FastAPI (Python), Bun, or similar modern backend technologies.

Arlington, VA30+ days ago

$175,000–$190,000 Per Year

Integrated Data Services (IDS) is seeking a Senior Program Manager to lead the deployment and adoption of the Comprehensive Cost and Requirements (CCaR) System across the Department of the Army to include the Army Secretariat, Army Staff, Major Commands, and Subordinate Commands. This operates at the intersection of financial management, enterprise software, and senior leader decision-making, directly enabling Army leadership to transition from static, manual processes to real-time, data-driven decision advantage.

New!

Washington, DCToday

$145,000–$155,000 Per Year

This role is positioned at the intersection of mission execution and strategic innovation, converting classified government requirements into meaningful member engagement strategies that connect current and prospective members with valuable opportunities and ideal teaming partnerships. Working within secure environments, this individual will serve as a key conduit between government objectives and industry capabilities, driving collaboration and delivering mission-focused solutions with urgency.

McLean, VA14 days ago

$165,000–$200,000

Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitarian missions worldwide. Strong understanding of agentic AI including Transformers, Model Context Protocol, Agent2Agent Protocol, LangGraph, and other modern frameworks.

New!

McLean, VAToday

Architect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.

New!

McLean, VA3 days ago

We are looking for self-motivating employees who are proficient in and can lead all aspects of the pre-award capture lifecycle in areas of Defense and Military, to include opportunity identification, research, teaming conversations, negotiations, and proposal leadership (working closely with a proposal team). Must be experienced with leading task order capture efforts for one or more large-scale Defense and Military IDIQ contracts, to include developing overall IDIQ capture strategies, creatively and dynamically organizing efforts for maximum efficiency, and driving actions and priorities.

Manassas, VA13 days ago

Full-time
Employee

Employment Type: Contract-to-HireJob SummaryWe are seeking an experienced Senior OT Network Architect to lead the design, implementation, and modernization of Operational Technology (OT) network infrastructure in a mission-critical industrial environment. Develop network segmentation strategies using ISA/IEC 62443 zones and conduits models.

New!

Washington, DC4 days ago

The Senior Training and Technical Assistance Manager oversees curriculum development, stakeholder support, and knowledge management for Refugee Resettlement and Unaccompanied Alien Children (UAC) programs. This requirement provides critical mission support across various technical, program management, and administrative functions to assist ORR in its mission to promote the health, well-being, and stability of refugees and unaccompanied children.

New!

Washington, DC4 days ago

The Senior Communications Manager oversees public-facing content, stakeholder engagement, and digital content strategy for Refugee Resettlement and Unaccompanied Alien Children (UAC) programs. This requirement provides critical mission support across various technical, program management, and administrative functions to assist ORR in its mission to promote the health, well-being, and stability of refugees and unaccompanied children.

New!

Washington, DC4 days ago

The Senior Grants & Monitoring Manager oversees grants administration, monitoring and evaluation, compliance, and site visit support for Refugee Resettlement and Unaccompanied Alien Children (UAC) programs. This requirement provides critical mission support across various technical, program management, and administrative functions to assist ORR in its mission to promote the health, well-being, and stability of refugees and unaccompanied children.

New!

Washington, DC3 days ago

The Senior Data and Systems Manager oversees data validation, data analytics, help desk and systems support for Refugee Resettlement and Unaccompanied Alien Children (UAC) programs. This requirement provides critical mission support across various technical, program management, and administrative functions to assist ORR in its mission to promote the health, well-being, and stability of refugees and unaccompanied children.

New!

McLean, VA1 day ago

$130,000–$150,000

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

Bethesda, MD9 days ago

Remote

$145,000–$150,000 Per Year

Serves as a senior cybersecurity and RMF subject matter expert leading MLS security engineering, compliance initiatives, and enterprise risk management activities. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

New!

Washinfton, DCToday

Perform customer T2/T3 support activities including assessment of user experience scenarios and identifying resolutions to unique user access issues for Okta integrated applications. Description: Our client is seeking a Consultant SME Senior to provide guidance to IT partners on configuration, debugging, and deployment of tools requiring Identity and Access Management (IAM) integration.

New!

Washington, DCToday

This role will partner with teams across the Federal Reserve Board to deliver streamlined, user centric solutions for how employees request services, resolve incidents and fulfill mission critical operational needs. • Lead discovery efforts including user research, journey mapping, and workflow design to ensure solutions are usable and aligned with real world processes.

New!

Laurel, MDToday

$58,700–$146,300

You will manage a portfolio of work that will include the full procurement life cycle of subcontractor services by guiding technical staff through the acquisition process, including pre-solicitation planning, review and critique of the statements of work (SOW), evaluation of contractor proposals, conducting negotiations, awarding contracts, managing contractor performance, and ultimately contract closeout. We are seeking a Senior Subcontracts Manager to help us manage all contractual matters including negotiations, resolving issues, executing agreements and overseeing subcontracts.

West Friendship, MD13 days ago

$29.99–$29.99 Per Hour

A minimum of two (2) years of experience as a Law Enforcement Officer and/or Military Police Officer, or six (6) months of experience as a security officer involved in the detention of civil or administrative detainees, or two (2) years of active-duty military service with an honorable discharge. Paragon Professional Services is seeking Transportation Officers for Armed Ground Transportation Services for the Department of Homeland Security (DHS) Immigration and Customs Enforcement (ICE) in Maryland.

New!

Laurel, MD1 day ago

$105,000–$290,000

The Electro Optical Seeker and Infrared Systems group (A1F) of the Air and Missile Defense Sector (AMDS) is seeking a Senior Embedded Systems & Hardware-in-the-Loop Engineer to lead the architecture and implementation of complete embedded systems, custom electronics hardware, FPGA firmware, real-time embedded software, and sophisticated HWIL test systems. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Dulles, VA9 days ago

$33–$43.41 Per Hour

Ability to read and speak the English language sufficiently to understand traffic signs, communicate with traffic safety officials and to respond to official inquiries and directions in accordance with FMCSA enforcement guidance. Knowledge of the use and operation of all equipment and testing equipment, gauges and tools normally associated with the troubleshooting and repair of hydraulic, gasoline, diesel, electric, and/or hybrid motorized equipment.

Arlington, VA30+ days ago

$175,000–$190,000 Per Year

This role is responsible for owning the customer relationship, driving enterprise adoption, and expanding the impact of the Project Management Resource Tools (PMRT) System and the Comprehensive Cost and Requirement (CCaR) System across Portfolio Acquisition Executive (PAE) organizations and Headquarters Air Force (HAF) stakeholders. When determining an applicant’s compensation, various factors are taken into consideration including, but not limited to: geographic location, relevant prior work experience, relevant training, special skills/competencies, education, clearance, licenses/certifications, labor categories/contract rates and other business needs.

Merrifield, VA12 days ago

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Plan, manage, and execute all aspects of life-cycle projects from inception through implementation, ensuring timely delivery within budget .

New!

Laurel, MD2 days ago

$100,000–$245,000

Our engineers and analysts apply a wide-range of disciplines such as sensor and data fusion, signal and image processing, operations research, applied physics, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Have domain knowledge in ISR processes, systems, platforms, and sensors used by the US military and intelligence community; Navy and Air Force kill chain concepts; targeting, C2, and mission planning processes and tools; threat systems, weapon platforms and systems, and communications networks.

New!

Laurel, MDToday

$100,000–$245,000

Demonstrable ability to lead complex infrastructure or monitoring projects from inception through implementation, including planning, execution, and stakeholder communication; team leadership or mentoring experience strongly preferred. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

New!

Laurel, MD2 days ago

$105,000–$245,000

Collaborate with our software development teams on improving our customized tools, including designing efficient representations for large datasets, testing accurate interactions across interdependent algorithms, and automating production analysis pipelines. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

New!

Severn, MDToday

$17.77–$18

As a Security Officer – Concierge, there is a high focus on customer service since you will be working with people on all shifts, in environments such as office towers, hotels, shopping centers, etc. GardaWorld Security is a global champion in sophisticated and tailored security solutions, employing and training highly skilled and dedicated professionals across the globe.

New!

McLean, VA4 days ago

You’ll work with and guide a multi-disciplinary team of analysts, data engineers, developers, and data consumers in a fast-paced, agile environment. 3+ years of experience designing, developing, operationalizing, and maintaining data applications for reporting and analytics at enterprise scale.

New!

Merrifield, VAToday

Remote

Leads and provides advanced levels of analysis and leadership across business stakeholders, technical stakeholders and other analysts supporting IAM controls, including ongoing access attestations and audits, as well as operational improvements and transformational initiatives for the Identity & Access Management (IAM) services. • Maintaining a continuous and strong security posture across all business and ISD IAM stakeholders via ongoing, proactive reviews of account access and authorization, and designing short- and long-term improvements to ensure violations are remediated.

New!

McLean, VA6 days ago

Capgemini Government Solutions (CGS) LLC is seeking a highly skilled and experienced Senior Information Technology Project Manager to collaborate with our government clients and help lead our cross-functional technical and analytical project team. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.

Baltimore, MD12 days ago

$60–$60 Per Hour

You’ll lead user research and service design, translate insights into actionable artifacts (journey maps, service blueprints, prototypes), and help teams adopt practical, repeatable HCD ways of working. Lead human-centered design across the eligibility/enrollment/renewal lifecycle: assess current-state journeys, design improvements, and support implementation alongside program and technology teams.

Washington DC, DC13 days ago

$152,000–$152,000 Per Year

The contractor will provide the requisite staff and expertise to effectively support the CTPP’s unique lines of effort that includes but is not limited to counterterrorism policy development, science and technology program implementation, program evaluation and assessment, and interagency exercise activities. · The contractor shall assist in the development and management of various CTPP knowledge assets, including but not limited to action item documents, rosters of experts, and knowledge generated through working group and inter agency initiatives.

Columbia, MD10 days ago

$220,000–$240,000

We are seeking a Full-Time Senior Cybersecurity Engineer to provide cybersecurity engineering leadership and enterprise-level security strategy within highly classified environments. • Master’s degree in Computer Science, Computer Engineering, Computer Forensics, or related field (or Bachelor’s degree plus additional experience).

Arlington, VA12 days ago

$50–$60 Per Hour

Requirements 10+ years of telecommunications and networking experience with PSTN, VoIP, call centers, IVR, UCaaS, CCaaS, SIP, SBCs, QoS, cloud . Work closely with internal staff (security, network, AD) and managed service providers for solution implementation and issue resolution .

Hanover, MD30+ days ago

$84,000–$107,000 Per Year

This role serves as a subject matter expert and liaison between HR, IT, and business stakeholders to ensure HR systems meet organizational needs and support strategic initiatives. By connecting global resources and local experience, Keller develops innovative, practical, and cost-effective solutions to geotechnical challenges.

Baltimore, MD12 days ago

$65–$65 Per Hour

Define, track, and communicate KPIs tied to beneficiary and worker outcomes (ex: renewal/retention improvements, reduced administrative burden, fewer procedural terminations, higher ex parte renewals). We’re seeking a senior-level Product Manager (this role is titled “Project Manager” internally) to lead product vision and delivery for a Medicaid eligibility outcomes initiative.

Bethesda, MD12 days ago

$80,000–$95,000 Per Year

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Requirements Minimum of 5+ years of IT support experience, including at least 2 years in a supervisory or lead role .

New!

Alexandria, VAToday

$180,000–$210,000 Per Hour

Provide executive-level government agency support related to designing, deploying, and ensuring efficient and optimal operation of business-critical enterprise and network environments. Translate stakeholder and Government requirements into network solutions, modifications, and support upgrades (network reconfiguration, hardware and software acquisitions, installation, and testing).

New!

MS, Maryland4 days ago

$50–$70 Per Hour

ResponsibilitiesSupport a specialized enterprise architecture team in designing, developing, and evaluating proof-of-concept (PoC) solutions that enhance enterprise architecture artifacts, automation, and business process models. Produce and deliver high-quality documentation, briefings, and analytical products using Microsoft Office applications to support the USTRANSCOM Enterprise Architecture team.

Leesburg, VA12 days ago

$70–$90 Per Hour

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Configure and customize ServiceNow including UI policies, business rules, client scripts, flows, catalog items, and update sets.

New!

Washington, DCToday

$200,000–$220,000 Per Year

This role is ideal for a senior engineer who thrives in complex Kubernetes environments, with the ability to design, operate, and optimize large-scale container platforms while supporting modern application architectures. We are seeking a highly experienced Senior Kubernetes Engineer / Platform Administrator to lead the design, deployment, and sustainment of containerized application platforms.

New!

Alexandria, VAToday

$150,000–$170,000 Per Year

This role typically supports sensitive government operations requiring strict adherence to security protocols, rapid problem-solving, and the ability to maintain secure communications under demanding conditions. A Senior CSfC Cybersecurity Engineer focuses on creating, deploying, and maintaining NSA-compliant secure communication solutions using layered commercial products.

New!

McLean, VAToday

Remote

Deep expertise in several of: AKS, App Services, Functions, APIM, Azure SQL/MI, Cosmos DB, Storage, Event Hub/Service Bus, Redis, VNet/Peering, Private Link, Application Gateway/WAF, Front Door. • Design, build, and maintain Azure landing zones and platform services (e.g., VNet, Private Endpoints, Key Vault, Azure Firewall/NSGs, Application Gateway/WAF).

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Senior Security Jobs in Washington, DC

Senior Information Systems Security Officer - ( TS/SCI FS Poly Required) Gables Search Group

Sr Cloud Security Engineer PlanIT Group

Senior ISSE (Information Systems Security Engineer) - (TS/SCI FS Poly Req) Gables Search Group

Sr. Cloud Security Specialist (AWS) System One

Senior Cloud Security Specialist (API) - onsite System One

Senior PowerShell Engineer (Secret Clearance) Jobot

Senior Consultant - VMware Cloud Foundation (VCF) Design and Deploy Calibre Systems

Senior Drupal Architect Company Confidential

Army - Senior Program Manager (Arlington, VA) Integrated Data Services

Senior Manager, Member Experience Sparks Group

Senior AI Technical Lead Credence

Senior Google AI Engineer Credence

Senior Capture Manager Credence

Senior OT Network Architect Census InfoTech Inc

Senior Training and Technical Assistance Manager Credence

Senior Communications Manager Credence

Senior Grants & Monitoring Manager Credence

Senior Data and Systems Manager Credence

Senior Python Full Stack Engineer Vaco LLC

Senior Cybersecurity Systems Engineer System One

SME Consultant Sr. (Okta) PlanIT Group

Senior Product Manager System One

Sr. Subcontracts Manager Johns Hopkins Applied Physics Laboratory (APL)

Armed Security Transportation Officer/ West Friendship, MD PARAGON PROFESSIONAL SERVICES LLC

Senior Embedded Systems & Hardware-in-the-Loop Engineer Johns Hopkins Applied Physics Laboratory (APL)

Sr. Vehicle Maintenance Technician/DOT/CDL FedEx

Air Force - Senior Account Manager (Arlington, VA) Integrated Data Services

Senior Project Manager System One

Senior Engineer / Analyst for ISRT & BMC2 Applications Johns Hopkins Applied Physics Laboratory (APL)

Senior Systems & Monitoring Administrator Johns Hopkins Applied Physics Laboratory (APL)

Senior AFSIM Analyst Johns Hopkins Applied Physics Laboratory (APL)

Warehouse Security Guard GardaWorld Security Services U.S.

Senior Data Engineer - Palantir Sparks Group

Senior IT Analyst System One

Senior IT Project Manager Capgemini Government Solutions LLC

Sr Human Centered Design Strategist System One

Senior Program Analyst GLOBAL ASSET TECHNOLOGIES, LLC

Senior Cybersecurity Engineer Gables Search Group

Senior Voice Engineer System One

Sr. Application Specialist 1Britcom

Project Manager (Senior Product Manager) System One

Senior Help Desk Engineer System One

Senior Network Engineer CCNP System One

Senior Systems Architect System One

ServiceNow Developer Senior System One

Senior Kubernetes Engineer (TS/SCI) System One

Senior Cybersecurity Engineer (CSfC Specialist) System One

Senior DevOps Engineer System One

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