3,710 Results for

Senior Security Jobs in Oakton, VA

Jobs

Columbia, MD14 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, VA1 day 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.

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Washington, DC4 days 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, VA3 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, MD14 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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Washington, DC2 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!

Washington, DC2 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.

McLean, VA7 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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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.

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Alexandria, VA1 day 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.

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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MONTGOMRY VLG, MD2 days 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, MD2 days 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.

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McLean, VA4 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.

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McLean, VA3 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.

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Washington, DC3 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.

Manassas, VA17 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.

Washington, DC8 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, DC8 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.

Washington, DC8 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 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!

Manassas, VA2 days 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 DC, DC16 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!

Washington, DC2 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.

New!

Alexandria, VAToday

$92,300–$166,850

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.

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Fort Belvoir, VA4 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.

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Rockville, MD3 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!

Washinfton, DC4 days ago

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!

Chantilly, VA4 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.

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McLean, VA4 days ago

$21–$21

New!

McLean, VA5 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.

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, VA13 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.

West Friendship, MD17 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.

Reston, Virginia17 days ago

$60–$65 Per Hour
Contractor

The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. The Application Developer performs high-complexity analysis, design, development, and unit testing of software applications based on user requirements and design documents.

New!

Merrifield, VA2 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!

McLean, VA3 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!

Lorton, VA4 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!

Herndon, VA1 day ago

This includes leading Design for Reliability (DFR) and Design for quality (DFQ) effort for AWS Infra New Product Development (NPD), supporting/sustaining the existing AWS critical infra equipment fleet by identifying systemic equipment issues, driving root cause analysis (RCA) corrective action to mitigate the risk in the AWS fleet. This TPM will lead end-to-end quality and reliability programs for mission-critical mechanical and power generation products at AWS data centers — orchestrating complex product strategies, owning program-level metrics and executive reporting, and building compelling cases for internal and external leadership where both speed and quality are non-negotiable.

Springfield, VA11 days ago

Produce accurate, timely, and relevant GEOINT products, including reports, database remarks, baseline descriptions, graphics, maps, infographics, and briefings. HS Diploma and 10+ years of GEOINT experience OR Associate’s degree and 8+ years of experience OR Bachelor’s degree and 6+ years of experience OR Master’s degree + 6 years of experience.

New!

Quantico, VA1 day ago

Remote

This position requires at least 8+ years’ experience supporting networking for DoD Command and Control Systems such as Multisource Correlator Tracker (MSCT), Common Aviation Command and Control System (CAC2S), Air Defense System Integrator (ADSI), or Theater Battle Management Core System (TBMCS). Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services.

New!

Arlington, VA2 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 .

New!

McLean, VA4 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!

Leesburg, VA2 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!

McLean, VA4 days ago

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).

New!

Bethesda, MD2 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!

Washington, DC4 days ago

$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, VA4 days ago

$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).

Washington, D.C.17 days ago

Remote

$160,000–$190,000 Per Year

The Senior Data Scientist II (SDS II) plays a strategic, hands-on role in delivering high-quality analytics for complex health care initiatives by leading large-scale data efforts, providing technical leadership to multidisciplinary teams, establishing resources and best practices for health care data work across NORC, and taking leadership on relevant business development initiatives. Lead projects and manage major project workstreams including but not limited to advanced analytic work supporting the implementation, evaluation, and monitoring of CMS Innovation Center (CMMI) models, including alternative payment models and delivery system reforms.

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Senior Security Jobs in Oakton, VA

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

Sr Cloud Security Engineer PlanIT Group

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

Sr. Cloud Security Specialist (AWS) System One

Senior Cloud Security Specialist (API) - onsite System One

Senior Capture Manager Credence

Sr Electrical PE Jobot

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

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

Senior Software Engineer (C++ / Java) Jobot

Sr. Software Engineer Jobot

Senior Google AI Engineer Credence

Senior AI Technical Lead Credence

Senior Manager, Member Experience Sparks Group

Senior OT Network Architect Census InfoTech Inc

Senior Communications Manager Credence

Senior Grants & Monitoring Manager Credence

Senior Training and Technical Assistance Manager Credence

Senior Data and Systems Manager Credence

Senior RMF Cybersecurity Engineer (Navy) Jobot

Senior Drupal Architect Company Confidential

Senior PowerShell Engineer (Secret Clearance) Jobot

Senior Migration Architect Leidos

Senior Program Analyst - INSCOM Credence

Senior Corporate Paralegal/Legal Contracts Specialist MaxCyte, Inc

SME Consultant Sr. (Okta) PlanIT Group

Security Officer (M) Securitas

Corporate Security Officer (FM) Securitas

Senior Python Full Stack Engineer Vaco LLC

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

Sr. Vehicle Maintenance Technician/DOT/CDL FedEx

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

Senior Application Developer Pinnacle Technical Resources

Senior Project Manager System One

Senior Data Engineer - Palantir Sparks Group

Senior Cybersecurity Engineer Leidos

Senior Technical Program Manager, Infrastructure Reliability and Quality (IRQ) Amazon Data Services, Inc.

Senior GEOINT Analyst MANTECH

Senior System Engineer ARCTICOM LLC

Senior Voice Engineer System One

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

ServiceNow Developer Senior System One

Senior DevOps Engineer System One

Senior Help Desk Engineer System One

Senior Kubernetes Engineer (TS/SCI) System One

Senior Network Engineer CCNP System One

Senior Data Scientist II – Health Care Analytics - Chicago, DC or Remote NORC at the University of Chicago

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