1,187 Results for

Security Specialist Jobs in Herndon, VA

Jobs

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.

Reston, VA9 days ago

The Headquarters Air Force Material Command Directorate of Logistics, Civil Engineering, Force Protection, and Nuclear Integration (HQ AFMC/A4/10) has the AFMC mission responsibility to: shape the workforce and infrastructure to provide logistics, sustainment, and installation support for acquisition logistics, supply management, depot maintenance, and base-level logistics operations, and deliver responsive strategic facility and infrastructure oversight and over-arching direction for all Major Command (MAJCOM) security operations…resulting in war-winning expeditionary capabilities. Assist with SCIF security designs − Provide security system integration, design, management, and life cycle support .

New!

Washington, DCToday

$100,000–$133,964

The role requires expertise in foreign policy, international diplomacy, arms control, and legislative affairs while supporting senior officials with briefing preparation, congressional communications, and policy development activities. The Foreign Affairs Specialist supports the Department’s legislative engagement and international security policy efforts through congressional coordination, policy analysis, interagency collaboration, and strategic outreach.

New!

Riverdale Park, MDToday

$80,000–$90,000

Minimum of three (3) years of cumulative experience in information technology or a cybersecurity discipline to include: intelligence analysis, intelligence research, systems risk management, developed understanding of networking, operating system and applications, vulnerability management and analysis, development of technical mitigations, IT based SCRM experience. Cherokee Nation Strategic Programs (CNSP) is seeking exceptionally qualified individuals to serve as Junior Research Analysts – Ingest, Information Technology to join the Supply Chain Risk Management Team in support of our government client.

New!

Washington, DCToday

$100,000–$110,821.57

This position provides analytical, advisory, and operational support to the Department of State’s foreign policy mission, ensuring compliance with Leahy Law requirements and supporting the development and implementation of U.S. foreign policy initiatives throughout the Europe and Eurasia (EUR) region. The Leahy Vetting Specialist serves as the Bureau’s lead action officer and policy advisor on Leahy vetting, human rights, democracy, labor, religious freedom, and trafficking in persons issues.

New!

Alexandria, VAToday

Responsible for researching, developing, and presenting intelligence products at the operational level for senior leaders including CT and regional analysis, GEOINT, HUMINT, SIGINT, OSINT/PAI, political/military analysis and support to targeting. Interface with other intelligence organizations to fully prepare teams for exploitation of enemy personnel, as well as prepare post screening analytical products and assessments supporting targeting efforts, and threat analysis.

New!

Reston, VA3 days ago

Collaborate with security engineers, compliance officers, and business managers to ensure policies are both technically sound and operationally practical. • The enforced dress code is business casual, i.e., collared shirt with slacks for men, no skirts above the knee for women.

New!

Washington, DCToday

Supporting the Office of the Executive Director (T/EX), Bureau of Arms Control and Nonproliferation, by performing operational analysis, administrative support, logistics coordination, asset management, and personnel support functions to enhance organizational effectiveness and productivity. CNSS is part of Cherokee Federal — a team of tribally owned federal contracting companies supporting mission-critical programs across the federal sector.

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.

Falls Church, VA19 days ago

Full-time
Employee

This role requires strong troubleshooting skills, responsiveness, and adherence to SLA-driven support models. Our technologists have always gone the extra mile to help our federal clients succeed.

New!

Vienna, VA2 days ago

Provide technical guidance and collaboration with other Cyber Security Engineers supporting technologies within designated area of focus (Data Scanning). Establish and maintain supporting documentation (architecture/data flow diagrams, runbooks, ServiceNow tickets, user stories and tasks).

Chantilly, VA10 days ago

The IT Enterprise Service Desk supports a wide array of systems, applications, and services spanning desktop operating systems (OSs), desktop and web-based applications, and unified communications (Video Tele-Conferencing (VTC), Voice over IP (VOIP) phones, etc.). The Service Desk Specialists are the Tier 1 team members of an Information Technology (IT) Enterprise Service desk responsible for the IT-related service requests, and the service incidents and problems for the customer’s IT business and mission-focus enterprise systems.

New!

Reston, VA6 days ago

Remote

Technology Stack: Experience with AI/ML libraries, low-code/no-code tools, Microsoft Power Tools, Splunk, Databricks, SharePoint, Okta automation, ServiceNow ticket generation, cloud platforms (AWS, GCP, Azure), and a RPA (Robotic Process Automation) platform. Proven hands-on experience with AI/ML libraries, low-code/no-code tools, cloud platforms (AWS, GCP, Azure), Microsoft Power Tools, Splunk, Databricks, SharePoint, Okta automation, ServiceNow, and an RPA platform is required.

New!

Herndon, VAToday

Cherokee Preting is seeking a Telecommunications Specialist to provide satellite voice/data, landline, telephone, secure and non-secure voice troubleshooting/support to the Sponsor and various government agencies. 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!

Springfield, VAToday

Associate’s degree in business recommended but not required or Certified Professional Property Specialist (CPPS) or Certified Professional Property Administrator (CPPA) certification and 3 years’ experience working in the logistics field. 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, DC2 days ago

$44.31–$44.31 Per Hour

You’ll play a key role in modernizing endpoint management through technologies like Microsoft Intune, Windows Autopilot, and Microsoft Defender for Endpoint, while ensuring systems remain secure, compliant, and highly reliable. In this role, you’ll drive the design, security, and operational excellence of endpoint platforms—including Windows devices, virtual desktops, and mobile solutions.

Washington, DC18 days ago

Full-time
Employee

The incumbent will act as the principal personnel advisor to OUSW (R&E) leadership, managing a complex Joint Force environment comprised of Army, Navy, Air Force, Marine Corps, and Coast Guard Active Duty and Reserve personnel. Headquartered in Sterling, Virginia, NRI is an established CMMI Maturity Level 3 and ISO 9001: 2015, ISO/IEC 20000-1:2011, ISO/IEC 27001:2013, ISO 14001 Certified Small Disadvantaged Woman Owned Small Business.

New!

Alexandria, VAToday

$100,000–$140,000

This senior role drives enterprise-wide Multi-Functional Device (MFD) operations, manages complex server administration tasks, and provides technical leadership and guidance to the engineering team. Lead system and software engineering activities including requirements derivation, requirements analysis, system architecture, hardware configuration, and integration/test planning aligned with the Infrastructure Design and Integration Management Plan (IDIMP).

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).

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).

West Friendship, MD19 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!

Bethesda, MD5 days ago

$73,450–$132,775

We integrate off the shelf and new development efforts to sustain and enhance existing architecture and by leveraging cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge requirements management, task coordination, data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. As the team’s User Support Specialist you will provide POSTMAN software familiarization and discovery tradecraft to enable Intelligence Community (IC) users to search for and retrieve relevant data to support intelligence analysis and operations.

New!

McLean, VAToday

$65,650–$118,675

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. May 26, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

New!

Washington, DC1 day ago

$59,150–$106,925

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. May 27, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

New!

Alexandria, VAToday

$80,000–$98,000

Overview: GovCIO is currently hiring for a Junior Systems Engineer (MFD Specialist) to support critical enterprise printing, imaging, and infrastructure activities across the U.S. Coast Guard (USCG). Maintain the Authorized Hardware List (AHL) to accurately track newly deployed floor, desktop, wide-format printers, and scanners.

New!

Alexandria, VAToday

$82,550–$149,225

Conduct ISR/CPSO duties in the following areas: Management, maintenance and accreditation preservation of Open Storage Spaces (OSS) and Sensitive Compartmented Information Facilities (SCIFs).Processing of Prime and Sub DD254s; escorting uncleared personnel/visitors; update and maintain facility checklists; conduct routine/annual inspections; maintain databases; respond to emerging security-related issues; process outgoing visit requests and validate incoming visit requests; • Conduct Personnel Security processing actions including requesting, reviewing, approving, and submitting clearances packages up to and including SCI nomination packages in accordance with customer requirements. 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.

New!

Landover Hills, MDToday

The Company therefore has determined that a review of criminal history is necessary to protect the business and its operations and reputation and is necessary to protect the safety of the Company’s customers, staff, employees, vendors, contractors, and the general public. The wage range listed for this role takes into account the wide range of factors considered in making compensation decisions including skill sets; experience and training; licensure and certifications; and other business and organizational needs.

New!

College Park, MDToday

The individual selected for this role will be expected to work at Store #5292, located at: 9104 Baltimore Ave, College Park, MD 20740.This position is eligible for health benefits, such as medical, dental and vision coverage, Flexible Spending Accounts (FSAs), disability coverage, security, retirement and saving benefits, and more. The wage range listed for this role takes into account the wide range of factors considered in making compensation decisions including skill sets; experience and training; licensure and certifications; and other business and organizational needs.

New!

Arlington, VAToday

$65,650–$118,675

Conduct ISR duties in the following areas: process CAC and building access applications; access control requests; country and threat briefs; in/out processing of DoD Agency personnel; indoctrinations/debriefings, security record management; courier card application processing; and visit authorization requests. 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.

New!

Bethesda, MDToday

$131,300–$237,350

Support Government cybersecurity officials & program personnel in preparing cybersecurity packages, including Interim Authority to Test (IATT) packages, Authority to Operate (ATO) packages, and Change Requests (CRs). Education & Experience: Bachelor’s degree in Cybersecurity, Computer Science, Information Assurance, Engineering, or related technical discipline and 12-15 years of relevant experience OR Master’s degree with 10-13 years of relevant experience.

Fort Belvoir, VA18 days ago

$106,681–$246,980
Full-time
Employee

Will analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Fairfax, VA18 days ago

$153,605–$184,124
Full-time
Employee

HII - Mission Technologies is currently seeking a SME Information System Security Manager (ISSM) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience.

McLean, VA18 days ago

$79,053–$115,000
Full-time
Employee

HII-Mission Technologies is looking for an Operational Specialist (OS) supporting program flight operations as an Intelligence, Surveillance, andReconnaissance (ISR) Subject Matter Expert (SME) working in a small, close-knit crew environment providing expertise in support of missionrequirements. Conduct real-time communication and distribution of multi-source information with aircrew and ground assets during all phases of flight via Tactical Data Link and chat (e.g., Link-16/mIRC) or beyond line of site satellite communications (BLoS SATCOM).

Fairfax, VA18 days ago

Remote

$119,155–$220,000
Full-time
Employee

Develops and owns capture plan and capture strategy, coordinating with Portfolio Leads to establish technical solutions, identify key personnel/SMEs, and assess strongest past performance references . When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.

Arlington, VA18 days ago

$54,502–$80,000
Full-time
Employee

Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class.

Washington, DC18 days ago

$109,338–$160,000
Full-time
Employee

Assist Business Development for Unmanned System capture efforts for new business opportunities, contract re-competes, and task order pursuits in the area of Surface Warfare Account, these include (but not limited to) Naval Expeditionary Combat Command, US Marine Corps, Naval Surface Warfare, Office of Naval Research, US Coast Guard. Develops capture strategy including business solution for pursuit of opportunities; identifies potential customers, competitive assessments, teaming suppliers, and prices-to-win; participates in bid and proposal activities.

Washington, DC30+ days ago

Security Specialist II - Risk Assessment Specialist will perform additional security duties as required to meet the SOC's operational needs, including, but not limited to attending meetings; providing information to internal and external requests; conducting security-related research; conducting personnel interviews; initiate and review completed eApp forms; and information gathering and exchange via telephone, internet, and mail. Security Specialist II - Risk Assessment Specialist compiles and maintains accounting and accurate data of FCC contractor population, contracting vendors, and FCC CORs to maintain accurate information in the personnel management case system.

Fort Belvoir, Virginia26 days ago

Remote

Technology moving at the speed of thought” embodies these principles – the need to nimbly utilize the best that information technology offers to meet the business needs of our Federal Government customers. Additional Job Information: TekSynap is a fast growing high-tech company that understands both the pace of technology today and the need to have a comprehensive well planned information management environment.

Reston, VA12 days ago

Cage Code, Facility Clearance and safeguarding level within the Defense Security Service Industrial Security Facility Database for industry, performing liaison between client and industry partners to ensure compliance of security requirements within the Statement of Work, DD-254 and addendums. Assisting the Contracting Officer, Contracting Officer Representatives and Industry (Director of Security and Facility Security Officers) to accurately prepare and submit DD Form 254s, and provide security guidance as required.

Washington, DC30+ days ago

Security Specialist I perform additional security duties as required to meet the SOC's operational needs, including, but not limited to attending meetings; providing information to internal and external requests; conducting security-related research; updating data in the personnel management case system; and information gathering and exchange via telephone, internet, and mail. Tracking all individuals who have; 1) been processed for an HSPD-12 credential, and 2) have received a "temp" badge, as well as the status of files sent to the HSPD-12 central badging office (GSA/USAccess), or who were scheduled for badge processing, but for any reason were not provided a badge.

Fort Belvoir, VA30+ days ago

Implements the Defense (DOD) Risk Management Framework (RMF) and assists the Information System Security Manager (ISSM) to ensure successful implementation of associated security controls and reviews all RMF documentation packages, and system fielding, operations, or upgrade requirements. Evaluates and conducts top level system architecture design, development, integration, testing, installation, and troubleshooting efforts from a cybersecurity viewpoint to ensure integration of all required cybersecurity products and adequacy of the analyses.

Arlington, VA30+ days ago

Position Summary: The Defense Security Cooperation Agency (DSCA) Program, Analytical, Technical, and Enterprise (PATAE) contract seeks to support program management, monitoring & evaluation, policy and international affairs, strategic communications, and analytics/R&D, ensuring timely, accurate, and policy\u2011compliant deliverables. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Arlington, VA26 days ago

Full-time

Additionally, the specialist serves as the Alternate Continuity of Operations (COOP) Program Manager and the DIU Site Security Control Officer (SSCO), responsible for conducting senior-level briefings, performing security inspections, and managing technical access systems such as DISS and SIPRNet to ensure the protection of Department of War assets and mission continuity. As the Department’s gateway to leading technology companies across the country, DIU is focused on rapid prototyping, fielding, and scaling of commercial solutions that can save lives, lead to new operational concepts, increase efficiency, and save taxpayer dollars.

Washington, DC30+ days ago

The Physical Security Specialist is responsible for designing, implementing, and maintaining security measures for Sensitive Compartmented Information Facilities (SCIFs). The Physical Security Specialist will conduct routine inspections, assessments, and audits to verify SCIF integrity and compliance.

Washington, DC30+ days ago

Personnel Security Specialists will process security clearances by collecting, reviewing, submitting, and tracking required documentation. Knowledge of maintaining personnel security records, databases, and tracking systems (e.g., JPAS, DISS, or local equivalents).

Reston, VA30+ days ago

$85,000–$145,000 Per Year

S2Technologies is actively seeking a Senior Security Specialist to provide physical and personnel security services to the Science and Technology Directorate's Office of Space and Counterspace (SCS). Experience preparing, maintaining, and submitting security paperwork; familiarity with ICD 705, DoDD 5205.07, and related directives required.

Reston, VA30+ days ago

$75,000–$135,000 Per Year

Washington, Washington, DC30+ days ago

The specialist is expected to evaluate security solutions to ensure they meet security requirements for processing up to classified information, and supervise and/or maintain the operational security posture for an information system or program. The specialist should demonstrate a working knowledge of the Risk Management Framework (RMF) process and/or include prior experience with the Defense Information Assurance & Certification Accreditation Process (DIACAP).

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Security Specialist Jobs in Herndon, VA

Sr. Cloud Security Specialist (AWS) System One

Senior Cloud Security Specialist (API) - onsite System One

Security Manager HQ AFMC/A4/10-3007.0 Credence

Foreign Affairs Specialist Cherokee Federal

Junior Research Analyst Specialist Ingest, Information Technology Cherokee Federal

Leahy Vetting Specialist Cherokee Federal

Intelligence Analyst/Military Specialist- Expert Level Cherokee Federal

IT - Information Security/Privacy Analyst II PlanIT Group

Logistics Specialist I Cherokee Federal

Senior Corporate Paralegal/Legal Contracts Specialist MaxCyte, Inc

Help Desk Specialist Company Confidential

Data Security Engineer System One

Service Desk Specialist MANTECH

AI Automation Specialist PlanIT Group

Senior Telecommunications Specialist Cherokee Federal

Functional Property Management Specialist II - Gunsmith/Armorer Cherokee Federal

End User Technology Specialist System One

Military Personnel Support Specialist Network Runners

Senior Systems Engineer (MFD Specialist Lead) Govcio LLC

Site Security Manager Securitas

Campus Security Manager Securitas

Site Security Manager (M) Securitas

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

User Support Specialist (Intelligence Data Discovery and Tradecraft) Leidos

Health and Fitness Specialist Leidos

Enterprise Operations Center Specialist - Mid Leidos

Junior Systems Engineer (MFD Specialist) Govcio LLC

Senior Industrial Security Representative (ISR)/Contractor Program Security Officer (CPSO) Leidos

Bilingual Branch Wholesale Product Specialist (Spanish) Sherwin-Williams

Bilingual Customer Service Specialist (Spanish) Sherwin-Williams

Industrial Security Representative Leidos

Senior Cloud Cybersecurity Engineer Leidos

Computer/Network Security Systems Specialist (Lead) Company Confidential

Information Systems Security Manager ISSM (Engineer Info Assurance 5) Company Confidential

Operations Specialist - Rotator (Mission Assurance 2) - 27970 Company Confidential

Capture Management Specialist- Remote (Capture Management 4) 28542 Company Confidential

Document Control Specialist - 28449 Company Confidential

Capture Management Specialist -3 Company Confidential

Security Specialist II - Risk Assessment Specialist Armada Ltd

Control Validation Security Specialist W/Secret Clearance TekSynap

Security Specialists- Industrial Security Program Advantage SCI

Security Specialist I – Badging and Credentialing Specialist Armada Ltd

Cyber Security Specialist - Must have an Active Secret DoD clearance CEDENT

Technical Security Specialist, Program, Defense Security Cooperation Agency (DSCA)/ Analytical and Enterprise Support Services Indefinite Delivery/Indefinite Quantity (PATAE IDIQ), Courthouse, Virginia Tetra Tech Inc

Security Specialist Defense Innovation Unit

Physical Security (PhySec) Specialist Armada Ltd

Personnel Security (PerSec) Specialist Armada Ltd

Security Specialist-Senior S2Technologies

Security Specialist-Mid S2Technologies

Information Systems Security Specialist VTG

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