Information Systems Security Engineer VTGInformation Systems Security EngineerChantilly, VirginiaFull timeOverview: VTG is seeking a highly skilled Information Systems Security Engineer (ISSE) to design, implement, and maintain security controls across enterprise systems and networks. Support the Risk Management Framework (RMF) lifecycle, including system categorization, control selection, implementation, assessment, and authorization.
Network Architect Emergent TechnologiesNetwork ArchitectReston, VirginiaWith our comprehensive technological solutions, we aim to share our expertise to help these entities develop a strategic plan, ensure a seamless implementation process, and produce accurate and efficient results. This position is ideal for a self-driven, detail-oriented professional with deep knowledge in enterprise network design, implementation, automation, and cloud integration.
NewTier II Network Technician Leidos Holdings IncTier II Network TechnicianSpringfield, VA$59,150–$106,925 / yearThe Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician to support the customer's computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
NewJuniper Engineer / Network Integration Engineer - C Telos CorpJuniper Engineer / Network Integration Engineer - CAshburn, VAResponsibilities: Build solution designs and integrate solution development for various network devices focused on SD-WAN implementation of Juniper network devices, includes integation of LAN, WAN, Video services, Wireless and 5G LTE. Relies on extensive knowledge of networks to facilitate the design of wired/wireless LAN/WAN systems and enable their integration into an existing wired network.
NewCybersecurity Information Security Assessor General Dynamics Information TechnologyCybersecurity Information Security AssessorChantilly, VirginiaExpert knowledge of commonly used cybersecurity systems to include, but not limited to, DoW Host Based Security System (HBSS), Assured Compliance Assessment Solution (ACAS), Continuous Monitoring and Risk Scoring (CMRS), Joint Incident Management System (JIMS), and Enterprise Mission Assurance Support Service (eMASS). Provide support services for protecting the Department of Defense Information Network (DoDIN) from cyber threats, both foreign and domestic, using cybersecurity systems, in combination with Techniques, Tactics, and Procedures (TTP) and information sharing with DoW, Department of Homeland Security (DHS), and other federal agencies.
NewTier II Network Technician LeidosTier II Network TechnicianChantilly, VirginiaThe Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician to support the customer’s computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling. August 22, 2026 For 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.
Senior Information Systems Security Engineer (ISSE) DAn SolutionsSenior Information Systems Security Engineer (ISSE)Reston, VAFull timeNo Telework.· Designs, develops, and recommends integrated security system and physical control solutions that will ensure proprietary/confidential data and systems are protected· Assist team in DIA's Authorization and Accreditation (A&A) process using RMF across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC) and Authorization to Operate (ATO)· Offers technical engineering services for the support of integrated security systems and solutions, managing information-related risks effectively· Works closely with the client during the strategic design process to translate security and business requirements into actionable technical designs· Configures and validates secure systems and physical controls, and tests security products and systems to detect security weakness· Develop comprehensive system test plans (STP) to assess the security posture of the information systems· Analyze scan results and security findings to prioritize remediation efforts and implement corrective measures· Participate in incident response activities and assist in the resolution of security incidents as needed Requirements:· Exhibits advanced Windows administration capabilities and Linux proficiency for optimal system management· Security credentials, certifications, and experience commensurate with the job description· Practical experience deploying, maintaining, and troubleshooting security tools· Demonstrates the ability to critically assess current practices, identify deficiencies, propose innovative solutions, and effectively implement these improvements· Thrives in a fast-paced, complex environment; displays exceptional poise and an unwavering commitment to hard work· Displays excellent problem-solving abilities and attention to detail· Experience with each of the following security tools: Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security Technical Implementation Guide (STIG)'s· Collaborate with stakeholders to identify security requirements and ensure alignment with organizational objectives· Stay abreast of the latest security trends, technologies, and best practices to continually enhance the security posture of the information systems· A Bachelor's Degree from an accredited institute in an area applicable to this position and four (4) years of relevant experience· An additional four (4) years of relevant experience may be substituted for the bachelor's degree· Must presently be 8570 compliant (IAT Level 2 preferred); must be 8570 compliant (IAT Level 2) by date of security indoctrination with any necessary continuing education (CE) for certification Desired Qualifications:· Familiar with tiered security environments (U, S, TS)· Deep understanding of Trellix antivirus suite of products· Knowledge of Splunk architecture and experience structuring multi-level queries· Windows expert - capable of advanced Powershell scripting and general administrative functions· Experience with one or more commercial government cloud service provider's system accreditation process· Experience as a Cybersecurity Control Assessor for SAP· Experience with Ongoing Authorizations and Assessments· Experience with C2S Cloud, or DevOpsSec Salary Range Disclaimer: The posted salary range represents the good-faith minimum and maximum compensation DAn Solutions expects to pay for this position. ISSE are as follows:· Provides technical expertise to ensure the network systems meet DIA C&A and IA requirements and are properly certified and accredited· Responsibilities are full-time on customer's onsite and will cover classified programs and Special Access Programs (SAP).
NOC Engineer LeidosNOC EngineerChantilly, VirginiaAugust 14, 2026 For 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. Real-Time Monitoring: Watch over network performance, server health, bandwidth utilization, and core infrastructure via enterprise monitoring tools, such as SolarWinds and Splunk.
NewCloud Security Architect Booz Allen Hamilton Inc.Cloud Security ArchitectArlington, VA$62,000–$141,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. You'll work closely with stakeholders, Security and Compliance teams, and architects to implement secure cloud solutions, design assessment methodologies, and establish continuous monitoring strategies.
Lead Firewall Engineer Abile Group, Inc.Lead Firewall EngineerSpringfield, VirginiaAbile Group, founded in July 2004 to support the Intelligence Community and its contractors across Enterprise Analytics, IT & Systems Engineering, and Program & Project Management, merged with Valiant Solutions in January 2026 - an established provider of cybersecurity technologies and services for Federal Agencies since 2005. With significant experience serving the Federal Government, we remain dedicated to our employees and clients and seek high‑performing professionals who excel at providing guidance, developing solutions, and delivering implementation support that blends industry best practices with client expertise and Abile’s broad technical capabilities.
Cribl Engineer - Active Ts/Sci ENS Solutions, LLCCribl Engineer - Active Ts/SciReston, VAENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Must possess the following DoD 8570.01-M certifications or be willing to obtain within 30 days of hire: o Information Assurance Technician (IAT) Level II certification (currently Security+ CE, CCNA-Security, GSEC, SSCP, CySA+, GICSP, or CND).
Mid Systems Engineer Chenega CorporationMid Systems EngineerVienna, VADeploy and configure ArcGIS in a wide variety of environments across operating systems, cloud providers, security architectures, customer types, and organizations, to meet the customer's service level agreement. 3+ years of professional experience in a similar position supporting similar responsibilities Experience designing, implementing, and/or administering enterprise ArcGIS or other comparable IT systems (desktop, server, and online).
Senior Systems Engineer Chenega CorporationSenior Systems EngineerVienna, VADeploy and configure ArcGIS in a wide variety of environments across operating systems, cloud providers, security architectures, customer types, and organizations, to meet the customer's service level agreement. 5+ years of professional experience in a similar position supporting similar responsibilities Experience designing, implementing, and/or administering enterprise ArcGIS or other comparable IT systems (desktop, server, and online).
Jr Systems Engineer Chenega CorporationJr Systems EngineerVienna, VADeploy and configure ArcGIS in a wide variety of environments across operating systems, cloud providers, security architectures, customer types, and organizations, to meet the customer's service level agreement. 1+ years of professional experience in a similar position supporting similar responsibilities Experience designing, implementing, and/or administering enterprise ArcGIS or other comparable IT systems (desktop, server, and online).
Cyber Network Operations (CNO) Advisor Veros Technologies, LLCCyber Network Operations (CNO) AdvisorReston, VADesired Experience performing similar roles within the Federal Intelligence Community;Proficiency scripting/programming in various languages such as Python, Bash, Java, PowerShell, or C# with the ability to create and customize tools and craft custom exploits for proof-of-concept code;Desired Professional Certifications: Offensive Security Certifications (OSCP, OSCE, OSWP, OSWE, OSEE), SANS GIAC Certifications (GPEN, GWAP, GPYC, GXPN, GSE), Certified Ethical Hacker (CEH);Experience with collection management processes, capabilities, technical targeting, and reporting. Experience: Minimum of 10 years of relevant work experience in areas such as: offensive computer operations, computer network operations, computer network defense, or computer network exploitation; Understanding of client relationships, including determining needs, learning expectations, and demonstrating commitment to delivering quality results.
Cyber Network Ops (CNO) Advisor Veros Technologies, LLCCyber Network Ops (CNO) AdvisorReston, VADesired Experience performing similar roles within the Federal Intelligence Community;Proficiency scripting/programming in various languages such as Python, Bash, Java, PowerShell, or C# with the ability to create and customize tools and craft custom exploits for proof-of-concept code;Desired Professional Certifications: Offensive Security Certifications (OSCP, OSCE, OSWP, OSWE, OSEE), SANS GIAC Certifications (GPEN, GWAP, GPYC, GXPN, GSE), Certified Ethical Hacker (CEH);Experience with collection management processes, capabilities, technical targeting, and reporting. Experience: Minimum of 10 years of relevant work experience in areas such as: offensive computer operations, computer network operations, computer network defense, or computer network exploitation; Understanding of client relationships, including determining needs, learning expectations, and demonstrating commitment to delivering quality results.
NewCyber Systems Engineer Technical Specialist - ISSE Rite-Solutions IncCyber Systems Engineer Technical Specialist - ISSEVAThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Program Description: The program provides Systems Engineering and Technical Assistance (SETA) core and non-core support in the areas of Cyber Security and Management to improve the Information Assurance (IA) posture of a National customer.
Staff Security Engineer Alarm.com IncorporatedStaff Security EngineerTysons Corner, VA$167,500–$180,500 / yearOur comprehensive suite of solutions-including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness-is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Staff Security Engineer Alarm.comStaff Security EngineerTysons Corner, VA$167,500–$180,500 / yearOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Information Security Engineer Babel StreetInformation Security EngineerReston, VirginiaWorking directly with the Information Security Manager, this role helps protect the organization's users, systems, applications, and data by monitoring security events, investigating incidents, administering security technologies, and improving operational capabilities. We deliver advanced AI and data analytics solutions providing unmatched, analysis-ready data regardless of language, proactive risk identification, 360-degree insights, high-speed automation, and seamless integration into existing systems.