2,958 Results for

Senior Security Jobs in Oakton, VA

Jobs

New!

Bethesda, MD3 days 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.

Columbia, MD13 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!

Alexandria, VA2 days ago

$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.

New!

Arlington, VA2 days ago

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, MD13 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.

New!

McLean, VA6 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.

New!

Herndon, VA1 day ago

$125,000–$175,000 Per Year

Typical duties include writing technical reports, conducting surveys, performing calculations, overseeing, and completing power, telemetry, and telecommunications designs, conducting research and development, systems integration, testing, hands-on assembly, and PLC programming. Seeking a Sr Electrical Engineer to serve as the electrical discipline team leader for the project, directing other engineers and designers as required, provide electrical design expertise and leadership for the entire project, from initial survey through final inspection.

Alexandria, VA15 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.

New!

MONTGOMRY VLG, MD1 day ago

$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.

New!

Gaithersburg, MD1 day ago

$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.

New!

Herndon, VA3 days 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.

New!

Bethesda, MD3 days 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.

New!

Bethesda, MD3 days 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, MD3 days 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, MD3 days 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!

Washington, DC2 days ago

$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.

New!

McLean, VA3 days 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.

New!

McLean, VA2 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.

Manassas, VA16 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!

Springfield, VA3 days 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.

New!

Manassas, VA1 day ago

$120,000–$150,000 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. Our team specializes in securing critical systems through authorization management, risk mitigation strategies, vulnerability assessment processes, and cybersecurity engineering practices designed to support evolving compliance and operational requirements.

Washington, DC7 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.

Washington, DC7 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.

Washington, DC7 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, DC6 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!

Washington, DC1 day 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.

Washington DC, DC15 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.

New!

Fort Belvoir, VA3 days 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.

New!

Brambleton, VA3 days ago

$18–$20

Security Officers/Security Guards observes and reports activities and incidents at an assigned client site, providing for the security and safety of client property and personnel. The Security Officer position helps maintain a safe and secure environment for our clients by actively monitoring the premises, including patrolling a variety of locations.

New!

McLean, VA3 days ago

$21–$21

New!

Lorton, VA3 days ago

$87,100–$157,450

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

West Friendship, MD16 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!

Herndon, VA2 days ago

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 .

New!

Alexandria, VA1 day ago

$92,300–$166,850

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, VA12 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!

Lorton, VA3 days ago

$131,300–$237,350

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Motivated self-starter with strong written and verbal communication skills for collaborating with technical and non-technical stakeholders, and the ability to create complex technical reports on analytic finding .

New!

McLean, VA2 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!

Ashburn, VA3 days ago

$17–$22

About Securitas USA: With over 640 local branch managers and approximately 86,000 security officers, Securitas provides unmatched security solutions to meet the specific needs of thousands of businesses. Our service offerings include specialized guarding, mobile guarding, remote guarding, and corporate risk management.

New!

Bethesda, MD2 days ago

$85,000–$99,403

Proactively monitor growth trends of hosted systems such as Biowulf supercomputer and work with Network Architecture and system owners to proactively recommend resource adjustments as part of our overall Capacity Planning approach to ensure availability of required resources. Qualifications: High School with CCIE (Data Center) certification and 5 years of equivalent Data Center operational experience OR CCNP (Data Center) certification and 10 years of equivalent Data Center operational experience.

McLean, VA9 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.

New!

Ellicott City, MD5 days ago

GardaWorld Security is a global champion in sophisticated and tailored security solutions, employing and training highly skilled and dedicated professionals across the globe. This policy applies to all terms and conditions of employment including, but not limited to hiring, placement, assignment, promotion, termination, layoffs, recalls, transfers, leaves of absence, compensation, and training.

New!

Alexandria, VA2 days ago

$115,000–$140,000

Overview: GovCIO is currently hiring a highly experienced Senior Systems Engineer to support critical infrastructure modernization and platform engineering activities for the U.S. Coast Guard (USCG). This highly technical role focuses on designing, engineering, and maintaining secure, high-availability Linux enterprise architectures.

New!

Rockville, MD2 days ago

The ideal candidate will have 5+ years of relevant legal experience in an in-house legal department, law firm, or similar environment, with experience spanning some combination of board support, contract administration, legal operations, commercial contracting, and corporate paralegal work. This role provides broad-based legal support across board and committee support, routine commercial contracting, legal operations, systems management, and selected public company and intellectual property support.

New!

Fort Belvoir, VA2 days ago

Desired skills/certifications: Offensive Security Experienced Penetration Tester (OSEP), Advanced Windows Exploitation/ Offensive Security Exploitation Expert (OSEE), GIAC Exploit Researcher and Advanced Penetration Tester (GXPN), GIAC Reverse Engineering Malware (GREM) . If you are a highly motivated Red Team Senior Software Developer and ready to apply your expertise in a high-impact role, we encourage you to join our mission in supporting national security efforts while working with cutting-edge technologies.

New!

Fort Belvoir, VA2 days ago

Red Team Apprentice Course (RTAC), Red Team Journeyman Course (RTJC), Certified Red Team Operator (CRTO) certification, Rogue Ops- Red Team 1 (ROPS), Offensive Security Certified Professional (OSCP), Global Information Assurance Certification, (GIAC) Exploit Researcher & Advanced Penetration Tester (GXPN), GIAC Penetration Tester (GPEN), and/or GIAC Web Application Penetration Tester (GWAP). Description:Oak Grove Technologies, LLC, a dynamic and fast-growing federal contractor, is seeking a highly skilled and motivated Senior Red Cyber Operator to support advanced Red Cyber operations through the execution of red team assessments, offensive cyber operations, and penetration testing.

New!

Alexandria, VA2 days ago

$122,000–$154,000

Specifically, build and sustain cloud data pipelines that onboard 35+ data feeds into the Coast Guard’s modern analytics stack—Confluent (Kafka) and Qlik Replicate—owning feed development/testing, data validation, documentation, and stakeholder coordination to “get data moving” reliably and securely. Overview: GovCIO is currently hiring for a Senior Data Infrastructure Engineer to lead the engineering, integration, and sustainment of enterprise‑grade data infrastructure supporting U.S. Coast Guard (USCG) Mission Partner environments.

New!

Reston, VA2 days ago

$107,900–$195,050

This role combines hands-on development with technical leadership, focusing on architecting and implementing scalable Salesforce solutions integrated with Amazon Connect, AI-driven capabilities, and third-party government systems. Required Education & Experience: Bachelor’s degree in IT or related field and a minimum of 8 years of relevant experience or or Masters with a minimum 6 of relevant experience, progressive experience in Salesforce development and architecture, including Federal program experience.

Resume Resources

Free Resume Templates Free Resume Builder

Get noticed by top employers!

Upload your resume to let employers know you're open to Senior Security job opportunities. Plus, receive relevant job recommendations in your inbox.

Create A Free Account

Senior Security Jobs in Oakton, VA

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

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

Senior Information Systems Security Engineer Govcio LLC

Security Program Senior Manager American Public Power Association

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

Senior Capture Manager Credence

Sr Electrical PE Jobot

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

Senior Software Engineer (C++ / Java) Jobot

Sr. Software Engineer Jobot

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

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

Subject Matter Expert Level III / Senior Network Architect Govcio LLC

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

Senior Manager, Member Experience Sparks Group

Senior Google AI Engineer Credence

Senior AI Technical Lead Credence

Senior OT Network Architect Census InfoTech Inc

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

Senior RMF Cybersecurity Engineer (Navy) Jobot

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 Drupal Architect Company Confidential

Senior Program Analyst - INSCOM Credence

Security Officer (M) Securitas

Corporate Security Officer (FM) Securitas

Information Systems Security Officer (ISSO) Leidos

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

Senior Technical Program Manager FIBERTEK, INC.

Senior Migration Architect Leidos

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

Sr. Vehicle Maintenance Technician/DOT/CDL FedEx

Senior Cybersecurity Engineer Leidos

Senior Data Engineer - Palantir Sparks Group

Open Interviews for Entry Level Security Officers - Offers on the Spot! Securitas

Senior Network Engineer; Datacenter Operations Govcio LLC

Senior IT Project Manager Capgemini Government Solutions LLC

Surveillance Security Rover GardaWorld Security Services U.S.

Senior Systems Engineer (Linux) Govcio LLC

Senior Corporate Paralegal/Legal Contracts Specialist MaxCyte, Inc

Senior Software Developer (Red Team) Oak Grove Technologies LLC

Senior Red Team Cyber Operator Oak Grove Technologies LLC

Senior Data Infrastructure Engineer Govcio LLC

Salesforce Senior Developer Leidos

Resume Resources