279 Results for

Online Security Jobs in Gainesville, VA

Jobs

New!

Dulles, VA1 day ago

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, VA1 day ago

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, VA1 day ago

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, VA1 day ago

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, VA1 day ago

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!

Ashburn, VA2 days ago

$17–$22

About Securitas USA: With over 640 local branch managers and approximately 86,000 security officers, Securitas provides unmatched security solutions to meet the specific needs of thousands of businesses. Our service offerings include specialized guarding, mobile guarding, remote guarding, and corporate risk management.

New!

Herndon, VA2 days 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!

Leesburg, VA2 days ago

$18–$20

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

New!

McLean, VA2 days ago

$21–$21

New!

Arlington, VA2 days 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, VA2 days ago

$24–$24

New!

Sterling, VA2 days 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, VA2 days 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, Virginia28 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, Virginia22 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, VA12 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.

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, Virginia22 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.

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 , Virginia13 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 , Virginia13 days ago

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.

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.

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.

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

New!

Bethesda, MD2 days 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.

Gaithersburg, MD8 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!

Quantico, Virginia21 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, Virginia21 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, Virginia21 days ago

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, 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. 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, VA18 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, VA26 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, Virginia30 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, Maryland12 days ago

Arlington, Virginia7 days ago

Join Allied Universal as an Unarmed Patrol Officer in a government location, where you will conduct routine patrols, maintain a visible presence to help deter security-related incidents, and deliver outstanding customer service and communication. Conduct regular and random patrols throughout buildings, grounds, parking areas, and perimeter locations, with working environments and conditions varying by site.

Reston, Virginia30+ days ago

Join Allied Universal as an Unarmed Patrol Officer in a healthcare location, where you will monitor and patrol assigned areas, stay visible to help deter security-related incidents, and support patients, visitors, and staff with exceptional customer service and communication. Provide customer service to staff, patients, and visitors by carrying out assigned security-related procedures, site-specific policies, and/or emergency response activities within a healthcare location.

Sterling, Virginia15 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.

Arlington, Virginia8 days ago

Join Allied Universal at a dynamic tech location where you will monitor and patrol assigned areas, stay visible to help discourage security-related incidents, and deliver 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 corporate technology location.

Ashburn, Virginia30+ days ago

Join Allied Universal as an Armed Patrol Officer in a government location, where you will monitor and patrol assigned areas, maintain a visible presence to help deter security-related incidents, and support a professional environment through strong communication and customer service. Provide customer service to students, staff, visitors, and/or vendors by following site-specific procedures, access protocols, and emergency response activities at a government education location.

Sterling, Virginia28 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.

Reston, Virginia7 days ago

Provide customer service by carrying out security-related procedures, site-specific policies, and/or appropriate emergency response activities at a dynamic technology and communications location. Join Allied Universal at a dynamic tech and telecommunications location as an unarmed patrol officer in a driving post.

Gaithersburg, Maryland15 days ago

Overview: Company Overview: Allied Universal®, North America’s leading security and facility services company, offers rewarding careers that provide you a sense of purpose. The Shift Supervisor performs general security duties as directed in the protection of persons and property and the enforcement of all applicable policies, rules, and regulations, as specified in post orders, and will deter criminal activity and misconduct.

Herndon, Virginia29 days ago

Join Allied Universal at a dynamic tech location where you will monitor and patrol assigned areas, remain visible to help discourage security-related incidents, and deliver outstanding customer service and communication. Support day-to-day operations by completing incident reports, maintaining awareness of changing site conditions, and communicating clearly with employees, visitors, and/or first responders when appropriate.

Resume Resources

Free Resume Templates Free Resume Builder

Get noticed by top employers!

Upload your resume to let employers know you're open to Online Security job opportunities. Plus, receive relevant job recommendations in your inbox.

Create A Free Account

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

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

Multi-Site Security Officer Securitas

Security Officer (M) Securitas

Corporate Security Officer (FM) 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

Information System Security Officer ISSO TekSynap

Control Validation Security Specialist W/Secret Clearance TekSynap

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

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

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

Security Assistance Financial Analyst Integrated Business & Technical Consultants

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

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

Physical Security Tech Chenega Corporation

Electronic Security Service Technician WilsonHCG

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

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

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

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

Information Security Engineer LT Consulting

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.

Senior Security Engineer NetImpact Strategies

Security Officer DCJS Patrol Officer Allied Universal

Security Officer - Unarmed Patrol Checks Part Time Allied Universal

Security Officer - Mobile Driver Patrol Part Time Allied Universal

Security Guard - Friday and Saturday Allied Universal

Security Officer - Armed Active Patrol Full Time Allied Universal

Security Officer Patrol Route Allied Universal

Security Officer Patrol Driver Allied Universal

Security Shift Supervisor - Government Building Allied Universal

Security Officer - Unarmed Tablet Assisted Patrol Allied Universal

Resume Resources