3,888 Results for

Senior Security Jobs in Lorton, VA

Jobs

New!

Falls Church, VA3 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.

New!

Washington, DC6 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 .

New!

Arlington, VA5 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.

New!

Washington, DC4 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, DC4 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, VA9 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, VA3 days 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.

New!

Alexandria, VA3 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.

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!

McLean, VA6 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, VA5 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!

Washington DC, DC6 days ago

$245,000–$305,000 Per Year

Across the healthcare ecosystem, we’re helping our clients unlock critical insights to track detailed patient behaviors and treatment patterns, identify gaps in care, address unmet patient needs, and reduce the global burden of disease. We carefully consider multiple business-related factors when determining compensation, including job-related skills, work experience, geographic work location, relevant training and certifications, business needs and market demands.

New!

Washington, DC5 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!

Washington, DC2 days ago

$50.88–$50.88 Per Hour

Lead enterprise anti-virus operations supporting SEC workstations and servers across the agency environment, including centralized policy administration, secure deployment, configuration, signature/DAT and engine updates, and scheduled scanning. Serve as escalation point for complex malware and endpoint security incidents, driving rapid restoration and durable corrective actions.

New!

Manassas, VA4 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, DC18 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.

Manassas, VA19 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.

Dahlgren, VA25 days ago

Remote

A BA/S is required in Electrical Engineering in addition to ten (10) years experience in electromagnetic system design, analysis and test with U.S. Navy/Joint DE systems including pulsed power, RF, Laser, and CIED systems and components. The Electrical Engineer will design, develop, test, and supervise the manufacturing of electrical and electronic equipment for electronic warfare systems.

Washington, DC10 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, DC10 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, DC10 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, DC9 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, VAToday

$105,000–$105,000

The Campus Security Manager (CSM) leads a team of site security personnel, including site managers, field training officers, and security officers, and is accountable for delivering physical security-related services at one or more assigned locations within a geographic area. The CSM reports directly to the regional security manager, works alongside other site security managers in their metro area, and manages the Security Team Manager (STM).

New!

Manassas, VAToday

$95,000–$110,000

The Site Security Manager leads a team of site security personnel, including site managers, field training officers, and security officers, and is accountable for delivering physical security‑related services at one or more assigned locations within a geographic area. The SSM reports directly to the regional security manager, works alongside other site security managers in their metro area, and manages the Security Team Manager (STM).

New!

Gainesville, VAToday

$95,000–$110,000

The Site Security Manager leads a team of site security personnel, including site managers, field training officers, and security officers, and is accountable for delivering physical security-related services at one or more assigned locations within a geographic area. The SSM reports directly to the regional security manager, works alongside other site security managers in their metro area, and manages the Security Team Manager (STM).

Dahlgren, VA24 days ago

This contract will provide configuration management (CM), logistics, mechanical and electrical engineering technician services, field service support, project management, drafting and design, technical writing, and acquisition services to the Naval Surface Warfare Center, Dahlgren Division (NSWCDD), Unmanned & Expeditionary Weapon Systems (H40) Division and Intelligent Automation (H60) Division. Associates Degree (or higher) in Mechanical or Electrical Engineering technical discipline or four (4) years of military weapons school focusing on medium size weapons or small munitions operation and testing, maintenance, and sustainment of weapons.

New!

Washington, DC4 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!

Fort Belvoir, VA6 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!

Rockville, MD5 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.

McLean, VA22 days ago

Remote

$286,200–$326,700 Per Year

You will bridge the gap between our innovative product team and the world’s most regulated buying centers—CISOs, Chief Data Officers, and VP Data Engineers—helping them solve the "impossible" paradox: securing sensitive data (PII/PHI) without stifling AI and analytics innovation. At least 5 years of experience in a public facing role ( for example: Technical Evangelist, Field CTO, or Developer Advocate) with a verified portfolio of public speaking and technical content (for example: guides, blogs, white papers, podcasts, webinars).

New!

Washington DC, DC6 days ago

Remote

$105,000–$160,000 Per Year

Cross-Functional Stakeholder Partnership: Build strong relationships across Marketing, Sales Development, Revenue, Marketing and Revenue Operations teams, and technical teams, serving as a facilitator and product leader who can align stakeholders, clarify decisions, and move ambiguous initiatives toward measurable business outcomes. Your key responsibilities will include: AI Innovation Strategy for Pipeline Generation: Define and execute a compelling product vision and roadmap centered on how AI can materially increase pipeline, improve seller focus, and make GTM execution more intelligent across lead capture, prioritization, routing, attribution, and account-based motions.

New!

Washinfton, DC6 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.

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.

New!

McLean, VAToday

$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.

New!

Dulles, VA1 day 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!

Washington DC, DC6 days ago

Remote

$300,000–$360,000 Per Year

This leader will bring an established network (“Rolodex”) of executive relationships across top MSPs/MSSPs and will build, mentor, and drive a team of Channel Account Executives to accelerate revenue growth through strategic partners. Team LeadershipLead, coach, and scale a team of Channel Account Executives across the U.S. Establish clear territory, partner coverage, and accountability models.

Reston, Virginia19 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!

Washington DC, DC6 days ago

Remote

We have created a feature-rich, scalable yet simple to use software platform to implement many different enterprise and service provider use cases, including: Full software-defined and Unified SASE for enterprise customers or MSP’s. Versa Networks, Inc. is a leading vendor of next-generation Software Defined solutions and architectures, called Unified-SASE (Secure Access Service Edge).

New!

Merrifield, VA4 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!

Tysons, VA6 days ago

C3 AI delivers a family of fully integrated products including the C3 Agentic AI Platform, an end-to-end platform for developing, deploying, and operating enterprise AI applications, C3 AI applications, a portfolio of industry-specific SaaS enterprise AI applications that enable the digital transformation of organizations globally, and C3 Generative AI, a suite of domain-specific generative AI offerings for the enterprise. • Continuously identify technical risks and gaps; devise mitigation strategies in anticipation of customer needs and communicate project status to internal and external executive stakeholders .

New!

Tysons, VA6 days ago

Continuously identify technical risks and gaps; devise mitigation strategies in anticipation of customer needs and communicate project status to internal and external executive stakeholders . • Drive sales discussions on architecture and engineering, particularly with explaining the C3 AI Platform and its interoperability with existing systems .

New!

Chantilly, VA1 day ago

$116,350–$210,325

Strategic Partnership: Lead contractual strategy for complex pursuits and active programs and serve as a key advisor to program managers, capture managers, and senior leadership to shape acquisition strategies and contractual approaches. The ideal candidate is someone who can translate complex contractual issues into practical business advice and become a trusted advisor to both leadership and program teams while supporting some of the Intelligence Community's most critical national security programs.

New!

Washington DC, DC6 days ago

Remote

As a leader in Secure SD-WAN, SSE (Secure Service Edge), SASE (Secure Access Service Edge) and Next-generation Managed Services, we are empowering organizations across the globe to transform their IT infrastructure for the modern cloud era. Founded by industry veterans and backed by premier venture capital firms, Versa is a market leader driving innovation and growth as it positions itself for a future IPO.

New!

Reston, VA6 days ago

$119,800–$234,700 Per Year

Preferred Qualifications: Masters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $158,400 - $258,000 per year.

New!

McLean, VA5 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!

Washington, DC6 days ago

We are seeking an experienced Senior Database Developer to support federal agency operations with hands-on expertise in relational databases, data warehousing, and data governance. As a trusted partner for more than 60 federal clients, Cherokee Federal LLCs are focused on building a brighter future, solving complex challenges, and serving the government’s mission with compassion and heart.

New!

Washington DC, DC6 days ago

Remote

$150,000–$160,000 Per Year

The developer collaborates with cross-functional teams to deliver reliable, high-performance solutions, while also supporting testing, deployment, troubleshooting, and ongoing system enhancements in a secure, mission-critical environment. As a trusted partner for more than 60 federal clients, Cherokee Federal LLCs are focused on building a brighter future, solving complex challenges, and serving the government’s mission with compassion and heart.

New!

Merrifield, VA2 days ago

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!

Tysons, VA6 days ago

Identify and prioritize key accounts, cultivating relationships with senior-level decision-makers, program managers, and influencers within defense organizations. • Develop and execute a comprehensive sales strategy to drive revenue growth within the federal defense sector, targeting defense agencies, departments, and prime contractors.

New!

Washington, DC6 days ago

Partner with teams and data stewards to coordinate and perform various audits and assessments (PIA, DPIA, TIA, AI impact assessment, Data Inventories, etc.) as needed to support privacy by design and AI governance principles, drive operational accountability and ensure ongoing compliance and risk management; Maintain risk registers and risk matrices to support PIMS, etc. 2 years navigating, negotiating, and reviewing commercial agreements involving complex data protection, AI terms, information technology and security schedules, cross border data transfers and operational service levels, technical requirements within large-scale cloud ecosystems (Azure, AWS, Google Cloud, etc.).

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Senior Security Jobs in Lorton, VA

Sr Cloud Security Engineer PlanIT Group

National Security Senior Associate Attorney (DC) Pernini Recruiting Company

Security Program Senior Manager American Public Power Association

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 Google AI Engineer Credence

Senior AI Technical Lead Credence

Sr. Director, Infrastructure, SRE, & Security Komodo Health

Senior Manager, Member Experience Sparks Group

INFO SECURITY ANALYST IV (AntiVirus Engineer-Senior) System One

Senior RMF Cybersecurity Engineer (Navy) Jobot

Senior Drupal Architect Company Confidential

Senior OT Network Architect Census InfoTech Inc

Sr. Electrical Engineer Bowhead / UIC Technical Services

Senior Communications Manager Credence

Senior Grants & Monitoring Manager Credence

Senior Training and Technical Assistance Manager Credence

Senior Data and Systems Manager Credence

Campus Security Manager Securitas

Site Security Manager (M) Securitas

Site Security Manager Securitas

Weapons Engineering Technician- Senior Bowhead / UIC Technical Services

Senior PowerShell Engineer (Secret Clearance) Jobot

Senior Program Analyst - INSCOM Credence

Senior Corporate Paralegal/Legal Contracts Specialist MaxCyte, Inc

Senior Director, Field CTO- Capital One Software (Remote) Discover Financial Services

Senior Product Manager, Pipeline Generation Systems - Remote Cribl

SME Consultant Sr. (Okta) PlanIT Group

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

Senior Python Full Stack Engineer Vaco LLC

Sr. Vehicle Maintenance Technician/DOT/CDL FedEx

Sr. Director of MSP/MSSP Channel Sales - Remote Versa Networks

Senior Application Developer Pinnacle Technical Resources

Sr. Systems Engineer - Service Providers - Remote Versa Networks

Senior Project Manager System One

Senior Solution Engineer - Federal C3 AI

Senior Solution Engineer - Federal (Intelligence Community) C3 AI

Sr. Contracts Manager Leidos

Sr. Systems Engineer - Remote Versa Networks

Senior Software Engineer - CTJ - Poly Microsoft

Senior Data Engineer - Palantir Sparks Group

Senior Database Developer Cherokee Nation Businesses

Senior MuleSoft Developer - Remote Cherokee Nation Businesses

Senior IT Analyst System One

Senior Director, Strategic Solutions - Federal Defense Sector C3 AI

Senior Director, Data Governance & Privacy Operations (GRC) Fti Consulting

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