3,132 Results for

Senior Security Jobs in Crystal, VA

Jobs

Columbia, MD11 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).

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Bethesda, MD1 day ago

$108,310–$149,027

Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment with NIH future state architecture objectives. Overview: GovCIO is currently hiring for a Senior Network Architect/SME in Enterprise Level Facilities Security and Industrial Control Systems and Networks for our NIH-CIT proposal.

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Alexandria, VAToday

$135,000–$165,000

Overview: GovCIO is currently hiring for a Senior Information Systems Security Engineer to support cybersecurity, compliance, and risk management activities supporting the U.S. Coast Guard (USCG). Responsibilities: As a Senior Information Systems Security Engineer, you will serve as a senior technical contributor for the cybersecurity posture, compliance framework, and risk management initiatives.

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Washington, DC1 day ago

This practice advises sophisticated global clients—including asset managers, sovereign wealth funds, multinational companies, and major financial institutions—on the full spectrum of U.S. national security regulatory regimes. Substantial experience providing compliance advice related to economic sanctions, export controls, and outbound investment restrictions, including matters involving OFAC, EAR/BIS, ITAR/DDTC, and OGT .

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Arlington, VAToday

Global Industrial Cyber Security Professional (GICSP), GIAC Critical Infrastructure Protection (GCIP), GIAC Response and Industrial Defense (GRID), (ISC)2 Certified Information Systems Security Professional (CISSP), Certified Operational Technology Cybersecurity Professional (TÜV) or similar cyber security certifications preferred. As part of our strategic plan, we aim to assist members in meeting workforce challenges-including attracting and retaining a diverse, equitable, and inclusive workplace culture-through offering educational programs, developing resources, and serving as a platform for the public power community to exchange ideas and best practices.

Columbia, MD11 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.

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Severn, MD1 day ago

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.

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McLean, VA4 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.

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MONTGOMRY VLG, MDToday

$165,000–$185,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.

Alexandria, VA13 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.

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Washington, DCToday

$165,000–$220,000

Facilitate initiation of all critical project meetings and coordination exercises with internal staff, key stakeholders and external users to ensure responsibilities are efficiently, accurately and effectively communicated and understood by all concerned. Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.

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Stafford, VA1 day ago

Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Construction Management and 14+ years of relevant experience or an equivalent engineering science degree *OR * 18 years of related construction management experience *in lieu* of a degree. -10+ years of relevant experience *constructing *electrical engineering systems including large scale power distribution/generation gear and constructing mechanical engineering systems including cooling systems.

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Gaithersburg, MDToday

$140,000–$165,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

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.

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Herndon, VA1 day ago

We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. You’ll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles.

Manassas, VA14 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.

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Springfield, VA1 day ago

The ideal candidate will apply operational security (OPSEC), counterintelligence, cyber defense, and threat principles to protect sensitive capabilities to ensure the survivability of U.S. assets in contested environments. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

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McLean, VA1 day ago

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.

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McLean, VAToday

$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.

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Laurel, MD1 day ago

$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.

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Washington, DC5 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.

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Washington, DC5 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.

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Washington, DC5 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.

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Washington, DC4 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.

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West McLean, VAToday

$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.

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Laurel, MD1 day ago

$100,000–$245,000

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. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

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Laurel, MD1 day ago

$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.

Washington DC, DC11 days ago

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.

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Laurel, MD3 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!

Bethesda, MD1 day ago

$108,310–$149,027

Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment with NIH future state architecture objectives. Within each of the Cisco Certifications, the following specializations are needed and listed in order of importance: Routing and Switching, Service Provider, Data Center and Wireless .

New!

Bethesda, MD1 day ago

$108,310–$149,027

Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment with NIH future state architecture objectives. Within each of the Cisco Certifications, the following specializations are needed and listed in order of importance: Routing and Switching, Service Provider, Data Center and Wireless .

New!

Bethesda, MD1 day ago

$108,310–$149,027

Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment with NIH future state architecture objectives. Within each of the Cisco Certifications, the following specializations are needed and listed in order of importance: Routing and Switching, Service Provider, Data Center and Wireless .

New!

Bethesda, MD1 day ago

$149,841–$149,841

Within each of the Cisco Certifications, the following specializations are needed and listed in order of importance: Routing and Switching, Service Provider, Data Center, and Wireless OR Experience required is 8‐plus years in Network Services and a bachelor’s degree in Computer Science, Information Systems, Engineering or other related discipline. The Network Architecture Section responsibilities include: Strategically plan, architect, design, engineer, develop, test, implement, modernize, and enhance the functional capabilities, capacity, and performance of the NIH Network and TIC Services in alignment with NIH future state architecture objectives.

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Laurel, MD1 day ago

$105,000–$290,000

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McLean, VA2 days 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.

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Springfield, VA1 day ago

Greenspring helps people live better lives by fulfilling our promises of a vibrant lifestyle, financial stability, and focused health and well-being services for those who live and work with us. From patrolling our beautiful 60-acre campus to welcoming guests at the gatehouse and respond and assist with non-emergency needs, you’ll be a friendly, trusted presence residents rely on.

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Fort Belvoir, VA1 day ago

INSCOM executes mission command of operational intelligence forces; conducts worldwide multi-discipline and all-source intelligence operations; delivers advanced skills training, linguist support, specialized quick reaction capabilities, and intelligence-related logistics, contracting, and communications in support of Army, Joint, and Coalition commands and the National Intelligence Community. The Senior Budget Analyst prepares, reviews, analyzes, coordinates, and maintains documentation and associated databases used in DoD resource management systems, while supporting Future Years Defense Program planning, development of transformational resource strategies, and current-year fiscal and manpower execution.

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Laurel, MD1 day ago

$105,000–$290,000

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. 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.

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Laurel, MD1 day ago

$105,000–$290,000

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Laurel, MD2 days 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.

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Herndon, VAToday

In this role, you will serve as the primary customer interface, leading multidisciplinary teams of engineering and operations staff and working directly with NASA and major aerospace and defense partners. Familiarity with expectations and collaboration in the context of typical Government development contracts, including organizations such as NASA, US Government defense organizations, and/or aerospace Prime Contractor mission partners .

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.

Dulles, VA10 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.

New!

Annapolis, MDToday

$109,800–$134,200

Manages and leads key aspects of project management support, including coordination of shop drawings and submittals, development and processing of change orders, response to Requests for Information (RFIs), tracking of project progress and schedules, preparation and tracking of invoices, as well as financial planning, cost forecasting, and schedule management. The Senior Construction Project Manager (PM) leads project teams and plans, directs, and coordinates activities of large-scale, energy efficiency-focused commercial construction projects.

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Springfield, VAToday

The successful candidate will support a high performing team of Government and Contractor professionals by testing software releases to ensure they function correctly, documenting failed test cases, and documenting any changes or updates needed to existing procedures. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Linthicum, MD10 days ago

Required Experience: Bachelor’s degree in a technical discipline and 15 years’ experience as a System Administrator, OR High school diploma and 20 years’ experience as a System Administrator. Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.

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Laurel, MD1 day ago

$105,000–$290,000

In A5C, we develop and deploy advanced planning capabilities and solutions directly into the hands of the warfighter, empowering them to design and execute dominant defenses for maximum performance across multiple simultaneous multiple missions, multiple services, and multiple command echelon planning levels and domains. This is a unique opportunity to dive deep into both software engineering and mission planning while using your skills to design, develop, and test physics-based models for military planning tools associated with Air & Missile Defense (AMD).

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Laurel, MD1 day ago

$105,000–$290,000

Evolving air and missile defense planning tools and capabilities, Developing and implementing robust software solutions to complex planning challenges, Responding to feedback from the warfighter and the analyst community, Assessing new AI and Machine Learning tools and capabilities and their applicability to military planning, and. In A5C, we develop and deliver highly capable mission planning capabilities into the hands of the warfighter so they can design defenses that enhance performance across multiple simultaneous air and missile defense missions, multiple services, and multiple command echelon planning levels.

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Laurel, MD3 days ago

$105,000–$290,000

We have custom facilities tailored to specific classes of systems including foreign materiel, telecommunications/network infrastructure, and industrial systems as well as general reverse engineering labs. The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges.

McLean, VA7 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.

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Senior Security Jobs in Crystal, VA

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

Senior Network Architect/SME in Enterprise Facilities Security and Industrial Control Systems Networks Govcio LLC

Senior Information Systems Security Engineer Govcio LLC

National Security Senior Associate Attorney (DC) Pernini Recruiting Company

Security Program Senior Manager American Public Power Association

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

Warehouse Security Guard GardaWorld Security Services U.S.

Senior Capture Manager Credence

Senior Software Engineer (C++ / Java) Jobot

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

Senior Project Manager *US AMR-Jones Lang LaSalle Americas, Inc.

Senior Construction Manager , AWS DCCD AMER SE Amazon Data Services, Inc.

Sr. Software Engineer Jobot

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

Sr. Region Planner, DC Planning - AMER Amazon Data Services, Inc.

Senior OT Network Architect Census InfoTech Inc

Senior Specialist, Systems Engineering (Mission Protection) (TS/SCI w Poly) L3Harris Technologies

Senior Google AI Engineer Credence

Senior AI Technical Lead Credence

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

Senior Training and Technical Assistance Manager Credence

Senior Communications Manager Credence

Senior Grants & Monitoring Manager Credence

Senior Data and Systems Manager Credence

Senior PowerShell Engineer (Secret Clearance) Jobot

Senior Windows Administrator Johns Hopkins Applied Physics Laboratory (APL)

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

Senior Drupal Architect NuAxis Innovations

Senior AFSIM Analyst Johns Hopkins Applied Physics Laboratory (APL)

Senior Network Architect/SME in Enterprise Level Data Center and Cloud Govcio LLC

Senior Network Architect/SME in Service Provider Backbone, Enterprise Level LAN/WAN, QoS and Traffic Engineering Govcio LLC

Senior Network Architect-SME LAN/WAN, and DW/DM Govcio LLC

Subject Matter Expert Level III / Senior Network Architect Govcio LLC

Senior Artificial Intelligence Researcher Johns Hopkins Applied Physics Laboratory (APL)

Senior Python Full Stack Engineer Vaco LLC

Security Officer Greenspring Village by Erickson Senior Living

Senior Program Analyst - INSCOM Credence

Senior Search Engineer (Enterprise Search) Johns Hopkins Applied Physics Laboratory (APL)

Senior Applied Chemist Johns Hopkins Applied Physics Laboratory (APL)

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

Senior Technical Program Manager FIBERTEK, INC.

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

Sr. Vehicle Maintenance Technician/DOT/CDL FedEx

Senior Construction Project Manager, CES Constellation Energy

Senior Specialist, Systems Engineer - User Acceptance Tester L3Harris Technologies

Senior System Administrator III Varada Consulting

Senior Software Engineer Johns Hopkins Applied Physics Laboratory (APL)

Senior Software Engineer/AI Practitioner Johns Hopkins Applied Physics Laboratory (APL)

Senior Reverse Engineer / Cyber Capability Engineer Johns Hopkins Applied Physics Laboratory (APL)

Senior IT Project Manager Capgemini Government Solutions LLC

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