257 Results for

Online Security Jobs in Gainesville, VA

Jobs

New!

Dulles, VAToday

Active Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients. Technical Leadership: Perform complex troubleshooting and diagnostics, including advanced programming and system integration tasks, independently and collaboratively resolving complex issues on-site.

New!

Sterling, VAToday

Customer Site Ownership: Serve as the primary service technician for designated client sites, maintaining regular scheduled on-site service hours and ensuring systems remain operational, compliant, and properly maintained. Requirements:Responsibilities: System Maintenance & Service Support: Perform advanced diagnostics, repairs, and preventive maintenance on integrated security systems including access control, video surveillance, intrusion detection, and supporting infrastructure to ensure reliable system performance.

New!

Sterling, VAToday

Active Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients. The Project Engineer works closely with project managers, field technicians, and clients to coordinate activities, resolve technical challenges, and maintain project momentum.

New!

Dulles, VAToday

The Security Systems Technician II can operate independently, bringing several years of experience to the field with the ability to perform installations, maintenance, troubleshoot complex issues, lead smaller projects, and assist in training junior technicians. Active Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients.

New!

Dulles, VAToday

As a Security Systems Technician I at Active Security, you will launch your career in electronic security by performing hands-on installations, maintenance, and repairs of advanced C5ISR and security systems designed to enhance defense and counter diverse threats. Active Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients.

New!

McLean, VA1 day ago

$21–$21

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

New!

Chantilly, VA1 day ago

$21–$21

If your schedule and availability are flexible, and you have retail, food service or hospitality industry background you are a great fit for this role; if not, we will provide you with the training and everything you need for a great introduction to a career in the security industry. The Multi-Site Security Officer position you will be monitoring and patrolling different client sites on a variety of schedules.

New!

Brambleton, VA1 day ago

$18–$20

New!

McLean, VA1 day 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!

Arlington, VA1 day ago

$22–$22

The Armed Security Officer position helps maintain a safe and secure environment for our clients by actively monitoring the premises, including patrolling a variety of locations. Frequently our Armed Security Officers will provide customer service and information to a client’s employees and customers and serve as a physical deterrent.

New!

Culpeper, VA1 day ago

$24–$24

New!

Ashburn, VA1 day ago

$23–$23

This role emphasizes strong customer service, access control, loss prevention, incident response, observation, and reporting for safety and security incidents. The Screening Officer maintains security and safety of people and property at the site, identifying and escalating issues according to policies and procedures.

New!

Ashburn, VA1 day ago

$15.93–$20

Observes and reports incidents or suspicious activities to client representatives, company management, or public safety authorities as appropriate. Observes and reports activities and incidents at an assigned client site, ensuring the security and safety of client property and personnel.

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.

Fairfax, Virginia27 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, Virginia21 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.

Reston, VA11 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.

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.

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. We design, build, operate, and maintain cyber-physical solutions for the nation’s most mission-critical facilities, secure environments, complex infrastructure, and global enterprises.

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 , Virginia12 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.

Tysons , Virginia12 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.

Ashburn, Virginia30+ days ago

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.

Fort Belvoir, Virginia21 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.

Gaithersburg, MD7 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!

Vienna, VA30+ days ago

$110,000–$140,000 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, VA30+ days ago

$57,750–$73,500 Per Year

Vienna, VA30+ 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.

New!

Bethesda, MD1 day ago

Advanced working knowledge of a variety of computer software applications, including Microsoft Office Suite, Outlook, Word, PowerPoint presentations, and Excel spreadsheets. Chenega Analytic Business Solutions (CABS) provides federal agencies and commercial customers with trusted insights into Records and Information Management, Administrative Solutions, Information Technology, Engineering, and Training.

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.

Mclean, VA19 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, VA17 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.

Quantico, Virginia20 days ago

The ISSE integrates cybersecurity controls into system architectures, supports RMF and NIST compliance, performs vulnerability assessments, and develops security engineering solutions to protect sensitive data and infrastructure. Responsibilities of the contract as a whole include providing comprehensive Information Systems Security Officer (ISSO) and Information Systems Security Engineer (ISSE) support to address evolving cybersecurity needs by providing Information Security as a Service (ISaaS).

Quantico, Virginia20 days ago

Responsibilities of the contract as a whole include providing comprehensive Information Systems Security Officer (ISSO) and Information Systems Security Engineer (ISSE) support to address evolving cybersecurity needs by providing Information Security as a Service (ISaaS). ISSOs coordinate with technical teams, leadership, and auditors to protect sensitive data, maintain operational security, and support continuous monitoring activities across enterprise environments.

Quantico, Virginia20 days ago

Mclean, VA25 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, Virginia29 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...

Bethesda, Maryland11 days ago

Sterling, Virginia14 days ago

Join Allied Universal at a leading tech location as an unarmed officer, where you will monitor and patrol assigned areas, complete routine rounds, and support access activity across the site. Conduct regular and random patrols throughout buildings, exterior grounds, parking areas, and perimeter locations to help to deter unauthorized activity and/or identify unusual conditions.

New!

Manassas, Virginia6 days ago

Join Allied Universal as an Unarmed Patrol Officer at a dynamic tech and telecommunications location, where you will monitor and patrol assigned areas, remain visible to help to deter security-related incidents, and support a welcoming environment through strong communication and customer service. 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.

Ashburn, Virginia7 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.

Vienna, Virginia21 days ago

As a Security Officer Enhanced Part Time Patrol Shift in Vienna, 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.

McLean, Virginia27 days ago

Join Allied Universal at a high-end retail location, where you will monitor and patrol assigned areas, remain visible to help deter security-related incidents, and deliver exceptional customer service and communication. Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose.

Herndon, Virginia30+ days ago

Join Allied Universal at a professional commercial real estate location where you will serve at the front desk, greet visitors, manage access activity, and support security-related procedures with strong customer service and communication. Provide customer service to tenants, visitors, and/or contractors by carrying out site-specific procedures, front desk protocols, and when appropriate, emergency response activities at a commercial real estate location.

Chantilly, Virginia18 days ago

Join Allied Universal as a driving patrol officer at a busy transportation and logistics location, where you will monitor assigned areas, conduct routine patrols, and help to deter security-related incidents through a visible presence. You will support access activity, provide outstanding customer service and communication, and bring our agile, reliable, and innovative values to every shift with teamwork and integrity.

Chantilly, Virginia18 days ago

Join Allied Universal as an Unarmed Patrol Officer in a fast-paced logistics and distribution location, where you will monitor assigned areas, conduct routine patrols, and help to deter security-related incidents through a visible presence. Provide customer service to employees, visitors, and/or drivers by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities at a logistics and distribution location.

Leesburg, Virginia21 days ago

Join Allied Universal as a Healthcare Patrol Officer, where you will patrol assigned areas, maintain a visible presence to help reduce security-related incidents, and support patients, visitors, and staff with strong customer service and communication. Provide customer service to patients, visitors, staff, and/or vendors by carrying out security-related procedures, site-specific policies, and when appropriate, emergency response activities.

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Online Security Jobs in Gainesville, VA

Lead Security Systems Technician Active Security Consulting LLC

Service Technician – Electronic Security Systems Active Security Consulting LLC

Electronic Security Project Engineer Active Security Consulting LLC

Security Systems Technician II Active Security Consulting LLC

Security Systems Technician I Active Security Consulting LLC

Corporate Security Officer (FM) Securitas

Multi-Site Security Officer Securitas

Security Officer (M) Securitas

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

Multi‑Site Armed Security Officer Securitas

Armed Security Officer Securitas

Screening Security Officers Securitas

Security Officer (DFL) Securitas

Residential Security Agent Global Guardian

Security Officer George Mason University

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

Network Analyst - Active Security Clearance Cadre

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

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

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

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

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

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

Information System Security Officer ISSO TekSynap

Control Validation Security Specialist W/Secret Clearance TekSynap

Electronic Security Service Technician WilsonHCG

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

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

Security Assistance Financial Analyst Integrated Business & Technical Consultants

Physical Security Tech Chenega Corporation

Information Security Engineer LT Consulting

Security Site Supervisor Gardaworld

Physical-Technical Security Manager PROVATOHR INC

Information System Security Engineer (ISSE) - SME (Cloud-based) W/Top Secret Clearance TekSynap

Information System Security Engineer (ISSE) - SR W/Top Secret Clearance TekSynap

Information System Security Officer (ISSO) - Sr W/Top Secret Clearance TekSynap

Information System Security Officer (ISSO) - Sr (Cloud) W/Top Secret Clearance TekSynap

Armed Security Officer- Flex Gardaworld

Maryland Armed Security Officer Whelan Security

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

Senior Security Engineer NetImpact Strategies

Security Officer - Mobile Driver Patrol Part Time Allied Universal

Security Officer Allied Universal

Security Officer - Full Time Allied Universal

Security Officer Enhanced Part Time Allied Universal

Security Officer Part-Time - Morning Shift Allied Universal

Security Officer - Unarmed Reception Access Specialist Part Time Allied Universal

Security Officer Patrol Allied Universal

Security Officer Part Time Allied Universal

Security Officer Armed Allied Universal

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