229 Results for

Online Security Jobs in Ashburn, VA

Jobs

McLean, VA30+ days ago

$70–$75 Per Hour
Contractor

Working knowledge of networking, (routing, DNS, common ports, protocols, and firewalls) Needs to be organized and have the capability to multitask by working multiple problems, tasks and still seeing tasks through to closure working with all type of endpoint technologies. Familiar with industry security regulations and frameworks (MITRE Attack Framework, NIST, CIS CSC, etc.) General understanding of key IT components – Secure LDAP, Networking, firewall, load balancing, Federated Identity.

New!

Gaithersburg, MD2 days ago

One of the most-trusted Integrated Security providers in the DMV is experiencing strong growth in the DC market in 2026 and has an opening for a Senior Service Technician to lead execution on new and existing work! This organization has been providing elite solutions for its customers for over 30 years, and believes the strength lies with its people!

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Reston, VA6 days ago

Strong understanding of network technologies, protocols, systems and equipment to include one or more of the following: SONET/SDH, OTN, MSAN, MSPP, MPLS/IP-MPLS, VoIP, IP Multimedia Services (IMS), DWDM, ROADM, Software Defined Networks (SDN) WAN and LAN, multi fabric networks, mesh networks, Session Border Controllers, fabric management, radio access network, front haul, back haul, BGP, OSPF, ISIS, SIP, 5G/LT/LAN interworking, VoLTE, SRVCC, DRVCC, ETSI MANO, OSS/BSS. Duties: This Network Analyst performs the following core functions: Coordinate with the customer's other multidisciplinary teams to provide timely and accurate network analysis regarding the logical and physical routes of key telecommunications networks within a designated area.

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Washington, DCToday

The Security Manager leads IT security and ISSO support and assists the Domestic Information System Security Officer in managing risk for SBU workstations, Secret classified operating environments, and CCS/consolidated bureau systems. “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.

New!

Fort Belvoir, VAToday

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. Conducts cybersecurity control validation exercises on classified and unclassified networks, applications and systems to validate the effectiveness of current security measures.

New!

Ashburn, VAToday

Support includes providing real-time incident monitoring, predictive and proactive analysis and reporting, incident resolution and escalation, problem management and resolution, coordinating of events related to network communications, network utilization and availability analysis and reporting. Information System Security Officer (ISSO) acts as the Designated Person(s) assigned to one or more existing FISMA Systems of Record as well as new IT Systems that are slated as new work products to develop an Authority to Operate (ATO) and follow-on Continuous Monitored system.

Washington, Washington, DC30+ days ago

$120,000–$155,000 Per Year

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.

Washington, DC30+ days ago

Full-time

Ancillary benefits including Basic Life and Accidental Death and Dismemberment (AD&D) Insurance, Voluntary Life and AD&D Insurance, Short-Term Disability Insurance, Long-Term Disability Insurance, Voluntary Accident Insurance, Voluntary Critical Illness Insurance, and Voluntary Hospital Indemnity Insurance. Founded over ten years ago by a Delta Force Sergeant Major and an Army Special Forces Colonel, we are a values-based organization focusing on a camaraderie, service, and excellence culture.

Washington, Washington, DC30 days ago

Fairfax, Virginia22 days ago

At least 18 years of age; U.S. citizen or legal resident; Possess a high-school diploma, GED, or equivalent; Successful completion of a thorough background check and fingerprinting; No felony convictions or convictions of misdemeanors involving crimes of moral turpitude or gross misconduct; Valid driver's license: must currently possess an appropriate, active, valid motor vehicle operator's license that meets all of GMU's requirements for operating state vehicles and equipment under Mason's Vehicle Use Policy 1411 https://universitypolicy.gmu.edu/policies/vehicle-use/. Responsible for providing security services on campus properties 24 hours a day, responsibilities of Security Officers include: Monitoring University owned or controlled buildings, areas, and property; Performing building lock-downs, unlocks, fire watches, and safety escorts; Ensuring academic offices, labs, and sensitive areas are kept secure; Observing and reporting suspicious activity, including writing incident reports when necessary; and.

Fairfax, Virginia16 days ago

Post-quantum cryptography and quantum-secure systems engineering; Secure and trustworthy AI/ML systems; Quantum communications and quantum network security; Hardware trust, supply-chain assurance, and secure heterogeneous computing (including post-quantum/quantum accelerators); Resilient cyber-physical systems and critical infrastructure in the AI/quantum era; Quantum-cyber threat modeling and adversarial vulnerability in quantum/cryptographic systems; Next-generation wireless/edge/IoT security (5G/6G/AI/quantum integration); Cybersecurity for emerging computing paradigms (neuromorphic, bio-cyber systems, quantum/hybrid computing); Preference will also be given to candidates whose work complements and amplifies the CYSE Department's existing strengths in wireless/5G security, digital forensics, AI, and cyber-physical systems; and. Applicants must have received a PhD in Cyber Security, Engineering, Computer Science or a related field by the start date of the position; Should have demonstrated potential for excellence and productivity in research, academic service, and a commitment to high-quality teaching; Qualified candidates should demonstrate excellence in research (track record or strong potential) and teaching; Committed to interdisciplinary collaboration (across hardware, communications, control systems, AI, quantum technologies); and.

Washington, DC30+ days ago

Ocean Bay, a subsidiary of Three Saints Bay, LLC, and a Federal Government Contractor industry leader, is seeking a Lead Security Support Specialist in Washington, D.C. Position Requirements: Apply online at:https://phg.tbe.taleo.net/phg01/ats/careers/v2/viewRequisition?org=GATEWAYVENT&cws=46&rid=5412.

Chantilly, VA30+ days ago

Performs network traffic analysis utilizing raw packet data, net flow, IDS, and custom sensor output as it pertains to the cyber security of communications networks. LT Consulting is seeking an Information Security (INFOSEC) Engineer responsible for maintaining the integrity and security of enterprise-wide cyber systems and networks.

Vienna, VA29 days ago

$57,750–$73,500 Per Year

This may include drafting funding memos (allocations, allotments, apportionments, reclassifications, congressional notifications, etc.), tracking obligation and expenditure data, providing data for briefings and Congressional reports, drafting documents to obligate funds, coordinating within PM and U.S. Department of State regional bureaus and the Department of War, and other regional or functional bureaus as needed on the obligation, expenditure and management of account programs, and other documents necessary to the effective management of their portfolio. Coordinators shall be responsible for reviewing and coordinating various funding case development documents (LOR, LOA, etc.), tracking security assistance expenditure data, providing data for congressional briefs and reports, coordinating within PM, other State bureaus, and the Department of War) on the obligation, expenditure and management of the security assistance programs, and other documents necessary to the effective management of the security assistance accounts.

Vienna, VA29 days ago

$110,000–$140,000 Per Year

Vienna, VA29 days ago

$110,000–$128,000 Per Year

Regular hours for the positions will be the regular hours for the Washington, DC metropolitan area, 8:15 am – 5:00 pm EST; however, positions may be permitted to work alternative work schedules (AWS) as needed and approved, while adhering to the PM Bureau’s core hours, currently 10:00 am to 3:00 pm, and in-person requirements for PM/SA. IBTCI specializes in monitoring, evaluation, research, and learning (MERL) and institutional support across many areas and sectors including, but not limited to, conflict and crisis, democracy and governance, agriculture, economic growth, food security, education, environment, and global health.

Charles Town, West Virginia25 days ago

The employee must regularly lift and/or move up to 10 pounds, frequently lift and/or move up to 25 pounds, and occasionally lift and/or move up to 50 pounds, and must have the ability to push, pull, reach, bend, twist, stoop, stack, crouch, kneel and balance when performing job duties in varying work areas such as confined spaces. We’ve grown to become the leading provider of integrated entertainment, sports content, and casino gaming experiences thanks to our 43 destinations across North America, online sports betting and iCasino via theScore Bet Sportsbook and Casino®.

New!

Bethesda, Maryland6 days ago

New!

Charles Town, West Virginia2 days ago

We’ve grown to become the leading provider of integrated entertainment, sports content, and casino gaming experiences thanks to our 43 destinations across North America, online sports betting and iCasino via theScore Bet Sportsbook and Casino®. The employee is occasionally exposed to wet and/or humid conditions; moving mechanical parts; high, precarious places; fumes or airborne particles; toxic or caustic chemicals; and risk of electrical shock.

New!

Charles Town, West Virginia5 days ago

Tysons , Virginia7 days ago

As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Responsibilities: A Data Center Security Installation Project Manager is responsible for assisting with the overall administration, organization, and implementation of large data center electronic security installation projects.

Herndon , Virginia30+ days ago

As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Data Center Security Installation Program Manager is responsible for assisting with the overall administration, organization, and implementation of large data center electronic security installation projects.

Tysons , Virginia30+ days ago

As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Candidates must have proven expertise to effectively manage large projects, to include: construction methods, engineering, resources, estimating, equipment, materials, contract administration, subcontract management, claim negotiations, project controls, finance, and staffing efficiency resources.

District of Columbia, Washington, DC30+ days ago

$104,240–$156,360 Per Year

As part of the SES Strategic Business Unit, you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services to include intrusion detection, access control, biometric authentication, video surveillance, audio visual, IT systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Research, prototype, and develop emerging technologies by working closely with industry partners and OEMs to implement the latest and best-in-bread capabilities to meet the customers’ emerging needs.

Tysons , Virginia7 days ago

As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Develop budgets for projects; assist in the preparation of technical proposals, to include assisting in the design and writing of the scope of work, management plans, work sequence, safety, quality control and commissioning.

Tysons , Virginia30+ days ago

As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Develop budgets for projects; assist in the preparation of technical proposals, to include assisting in the design and writing of the scope of work, management plans, work sequence, safety, quality control and commissioning.

Tysons , Virginia30+ days ago

As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises.

Mclean, VA14 days ago

Officers must be warm and approachable while staying vigilant—greeting and acknowledging visitors, customers, top clients, and executives, maintaining eye contact, and staying aware of all entrances and surroundings. The Site Supervisor provides operational support for the account to include scheduling, payroll, compliance, post order development, performance metrics tracking, training, employee recognition and inspections.

Chantilly, VA12 days ago

Full-time

Preferred Qualifications: • Minimum of 5 years of applicable Defense Counterintelligence & Security Agency (DCSA) / Intelligence Community (e.g., NRO, DIA, CIA, etc.) experience in the design, build, documentation and accreditation of classified facilities, to include Sensitive Compartmented Information Facilities (SCIFs) and Special Access Program Facilities (SAPFs). Ability to track equipment status for action at the installation level Additionally, the successful candidate will be required to be an active, creative, eager, and resourceful contributor to the successful growth of HLM Associates.

Mclean, VA20 days ago

Officers must be warm and approachable while staying vigilant—greeting and acknowledging visitors, customers, top clients, and executives, maintaining eye contact, and staying aware of all entrances and surroundings. As a Security Officer – Tactical, physical ability is essential as you will be moving around your entire shift, patrolling environments such as retail stores, airports, detention centers, etc.

Bethesda, MD30+ days ago

Officers must be warm and approachable while staying vigilant—greeting and acknowledging visitors, customers, top clients, and executives, maintaining eye contact, and staying aware of all entrances and surroundings. As a Security Officer – Tactical, physical ability is essential as you will be moving around your entire shift, patrolling environments such as retail stores, airports, detention centers, etc.

Manassas, Virginia24 days ago

Overview: Force Security Solutions a subsidiary of Konica Minolta Business Solutions, provides the highest level of Electronic Security including Intrusion Detection, Access Control and IP Video Surveillance technology. • Conduct security assessments and audits for clients to identify vulnerabilities, risks, and security need...

Chantilly, Virginia13 days ago

Join Allied Universal as an Unarmed Patrol Officer in a healthcare location, where you will conduct routine patrols, remain visible to help discourage security-related incidents, and support staff, patients, and visitors with exceptional customer service and communication. Assist with routine security-related reporting, note taking, and communication regarding incidents, maintenance concerns, and/or policy-related issues observed during patrols and daily activities.

Alexandria, VA30+ days ago

Conducting security assessments and notifying customers via reports of all necessary lighting issues, non-operable lights, trash that is not disposed of properly, and any other potential areas that could be a breach in security (no fence, damaged fence, overgrown trees or bushes to hide in, etc). Conducting foot patrols of courtyards, management offices, pools, and/or other corridors to ensure that the property is secure and to report any illegal or inappropriate activity, as well as take preventive actions to protect the property and the residents.

Woodbridge, VA30+ days ago

Conducting security assessments and notifying customers via reports of all necessary lighting issues, non-operable lights, trash that is not disposed of properly, and any other potential areas that could be a breach in security (no fence, damaged fence, overgrown trees or bushes to hide in, etc.). Conducting foot patrols of courtyards, management offices, pools, and/or other corridors to ensure that the property is secure and to report any illegal or inappropriate activity, as well as take preventive actions to protect the property and the residents.

Centreville, VA30+ days ago

Conducting security assessments and notifying customers via reports of all necessary lighting issues, non-operational lights, trash that is not disposed of properly, and any other potential areas that could be a breach in security (no fence, damaged fence, overgrown trees or bushes to hide in, etc.). Conducting foot patrols of walking areas in/around courtyards, offices, store fronts, and/or other buildings to ensure that the property is secure and to report any illegal or inappropriate activity, as well as take preventive actions to protect the property and the residents.

Mc Lean, Virginia10 days ago

Join Allied Universal as an unarmed patrol officer at a dynamic tech and telecom location, where you will conduct routine patrols, maintain a visible presence to help to deter security-related incidents, and deliver outstanding customer service and communication. Provide customer service to employees, visitors, and/or vendors by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a technology-focused location.

New!

Reston, Virginia1 day ago

Join Allied Universal as an unarmed patrol officer at a dynamic tech and telecommunications location, where you will conduct routine patrols, maintain a visible presence to help deter security-related incidents, and deliver outstanding customer service and communication. Provide customer service to employees, visitors, and/or contractors by following site-specific procedures, access guidelines, and appropriate emergency response activities at a technology and telecommunications location.

New!

Washington, Washington, DC2 days ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic financial institution location, where you will monitor and patrol assigned areas, stay visible to help deter security-related incidents, and deliver outstanding customer service and communication. Support a professional presence at a financial services location by observing day-to-day operations, communicating clearly with staff and visitors, and following post orders for assigned duties.

New!

Mc Lean, Virginia2 days ago

Join Allied Universal at a dynamic aerospace and defense location as a Front Desk professional, where you will greet guests, manage access, support security-related front desk operations, and deliver outstanding customer service and communication. Monitor access to the location by verifying visitor credentials, processing guest check-in and sign-out activity, issuing access materials, and communicating entry requirements in accordance with site protocols.

New!

Ashburn, Virginia2 days ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic tech and telecommunications location, where you will conduct routine patrols, maintain a visible presence to help discourage security-related incidents, and deliver outstanding customer service and communication. Provide customer service to clients, visitors, and/or staff by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a technology-focused location.

New!

Reston, Virginia1 day ago

As an Armed Patrol Officer with Allied Universal at a leading tech location, you will monitor and patrol assigned areas, stay visible to help reduce security-related incidents, and support access activities with professionalism and strong communication. Provide customer service to all visitors, employees, and/or contractors by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a technology-focused location.

New!

Arlington, Virginia1 day ago

As an Allied Universal officer in a busy retail location, you will monitor and patrol assigned areas, remain visible to help discourage security-related incidents, and deliver outstanding customer service and communication. Monitor access points, observe customer and visitor activity, and communicate with site contacts and/or local responders when needed regarding security-related matters.

Washington, Washington, DC28 days ago

Join Allied Universal as an Unarmed Patrol Officer at a professional location where you will monitor assigned areas, conduct routine patrols, and remain visible to help discourage security-related incidents. In this role, you will support a welcoming environment through strong communication, customer service, and teamwork while reflecting our values of agility, reliability, innovation, and integrity every day.

Sterling, Virginia13 days ago

Join Allied Universal as an unarmed patrol officer in a dynamic tech and telecommunications location, where you will monitor assigned areas, conduct routine patrols, and remain visible to help discourage security-related incidents. Respond to incidents, alarms, and/or critical situations in a calm, problem-solving manner, documenting security-related concerns and communicating observations to site contacts and Allied Universal leadership.

Sterling, Virginia22 days ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic technology location, where you will conduct routine patrols, remain visible to help deter security-related incidents, and support access awareness with outstanding customer service and communication. Provide customer service to employees, visitors, and/or contractors by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a technology-focused location.

Fairfax, Virginia14 days ago

As a Security Officer Enhanced Part Time Armed Patrols in Fairfax, VA, this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Earn More, Claim-A-Shift Program: In addition to your fixed shift, you may pick-up extra shifts through our scheduling platform, allowing you to increase earnings and gain experience across multiple sites.

New!

Washington, Washington, DC1 day ago

Join Allied Universal as a Dispatch professional at a dynamic tech and media location, where you will monitor activity, coordinate communications, document incidents, and support timely responses to security-related needs. Respond to incidents and critical situations in a calm, problem-solving manner, helping to coordinate field personnel, notify site contacts, and support timely communication during routine and urgent events.

New!

Sterling, Virginia6 days ago

Join Allied Universal as a Dispatch Officer in a dynamic technology location, where you will monitor activity, coordinate communications, and support timely responses to security-related incidents. Provide customer service to clients, visitors, and site personnel by carrying out security-related procedures, site-specific policies, and/or appropriate emergency response activities within a technology-focused location.

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Online Security Jobs in Ashburn, VA

Security Engineer Specialist Pyramid, Inc

Electronic Security Service Technician WilsonHCG

Network Analyst - Active Security Clearance Cadre

Security Manager w/TS/SCI TekSynap

Control Validation Security Specialist W/Secret Clearance TekSynap

Information System Security Officer ISSO TekSynap

Security Engineer TekSynap

Residential Security Agent Global Guardian

Director of Safety and Security (Job ID: 2026-3848) The Brookings Institution

Security Officer George Mason University

Open-Rank, Tenured/Tenure-Track Cyber Security Engineering Faculty George Mason University

Lead Security Support Specialist (5412) Three Saints Bay

Information Security Engineer LT Consulting

Security Assistance Coordinator (Junior Level) Integrated Business & Technical Consultants

Security Assistance Coordinator (Mid-Level) Integrated Business & Technical Consultants

Security Assistance Financial Analyst Integrated Business & Technical Consultants

Security Assistant Shift Manager - Racing/Events Hollywood Casino at Charles Town Races

Senior Security Engineer NetImpact Strategies

SECURITY AMBASSADOR - Overnight Shift - Midnight - 8am Hollywood Casino at Charles Town Races

SECURITY AMBASSADOR-SWING SHIFT Hollywood Casino at Charles Town Races

Data Center Security Installation Project Manager (Project Leader 1) - Tysons, VA M.C. Dean, Inc

Senior Data Center Security Installation Program Manager (Project Leader 2) - Herndon, VA M.C. Dean, Inc

Principal Data Center Security Installation Program Manager (Project Leader 3) - Tysons, VA M.C. Dean, Inc

Security Systems Engineer 3 - Washington, DC M.C. Dean, Inc

Estimator for Data Center Security Installation Work (Estimator 2)- Tysons, VA M.C. Dean, Inc

Lead Estimator for Data Center Security Installation - Tysons, VA M.C. Dean, Inc

PCD/TOC Security Systems Application Specialist (System Administrator 1)- Tysons, VA M.C. Dean, Inc

Security Site Supervisor Gardaworld

Physical-Technical Security Manager PROVATOHR INC

Armed Security Officer- Flex Gardaworld

Maryland Armed Security Officer Whelan Security

Security Sales Consultant Konica Minolta Business Solutions, U.S.A., Inc.

Security Officer Part Time - Overnights Allied Universal

Unarmed Security/Patrol Officer (Alexandria) Signal of Northern Virginia

Armed Security/Patrol Officer (Woodbridge/Dumfries) Signal of Northern Virginia

Unarmed Security/Patrol Officer (Woodbridge/Lorton/Dumfries) Signal of Northern Virginia

Unarmed Security Patrol Officer (Fairfax/Centreville/Herndon/Manassas) Signal of Northern Virginia

Security Officer -Secret Clearance Temporary Post Allied Universal

Security Officer Unarmed Patrol Driver Role Allied Universal

Security Officer State Licensed Patrol Allied Universal

Security Officer Lobby Desk- DoD Clearance Required Allied Universal

Security Officer - Full Time Allied Universal

Security Officer Armed Patrol Allied Universal

Security Guard Patrol PT Allied Universal

Security Officer Spanish Allied Universal

Security Guard Allied Universal

Security Officer Patrol Route Allied Universal

Security Officer- Armed Patrol Part Time Allied Universal

Security Officer Dispatch Weekends Allied Universal

Security Officer - Weekends Part Time Allied Universal

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