Sr. Security Engineer CoStar GroupSr. Security EngineerArlington, Virginia$115,000–$203,000 / yearWe are seeking a Senior Security Engineer with experience in Network, SaaS, and AI Security to help evolve and safeguard CoStar’s enterprise security posture across network infrastructure, cloud services, SaaS platforms, and emerging AI systems. Assess security risks associated with AI platforms, copilots, and agent-based systems, including model access controls, prompt/data leakage risks, and tool/plugin abuse.
Senior Cloud Platform Engineer Nightwing Intelligence SolutionsSenior Cloud Platform EngineerSterling, Virginia$99,000–$206,000 / yearUse and develop automation (Ansible roles,Terraformmodules, Packer, GitLab CI/CD pipelines, AWS CLI) to provision and configure servers, services, applications, and security controls, and drive best practices for automation across the team. Responsibilities include, but are not limited to, the following: Own the architecture and design of core cloud platform capabilities in AWS GovCloud and Azure, ensuring they meet security, availability, and performance requirements across three networks.
Systems Engineer Que Technology GroupSystems EngineerMarylandBachelor’s degree in a technical discipline from an accredited college or university is required; additional four (4) years’ experience may be considered in lieu of degree. Candidate must be willing to learn and be prepared to work with a small, mission-focused team that frequently interacts with other teams, users, and customers.
Lead Virtualization Systems Engineer, Converged Seneca HoldingsLead Virtualization Systems Engineer, ConvergedBeltsville, Maryland$125,000–$140,000 / yearDay-to-day data management and operational support for distributed data systems, including the entire lifecycle including planning; device and component preparation; solution testing; data placement; backup retention, recall, recovery; and deletion. Clear Creek is seeking a highly skilled and self-driven Lead Virtualization Systems Engineer (Converged) to support large-scale enterprise datacenters encompassing over 3,000 virtual machines.
Enterprise Monitoring Engineer – TS/SCI with Polygraph General Dynamics Information TechnologyEnterprise Monitoring Engineer – TS/SCI with PolygraphAnnapolis Junction, MarylandA typical day in this role may include: Providing real-time system monitoring, alerting, and system data collection for all infrastructure services; works with client/server and back-end systems owners to define appropriate monitoring system usage, data collection, and alert thresholds. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Edge Information Systems Security Engineer (ISSE) Huntington Ingalls Industries IncEdge Information Systems Security Engineer (ISSE)Springfield, VA$85,185–$185,000 / yearAdditionally, you will travel up to 25% annually to engage with field sites, perform on site technical reviews, collaborate with local stakeholders, and ensure edge systems are designed, configured, and maintained in accordance with organizational and mission focused security expectations. You will provide expert cybersecurity engineering support to edge system stakeholders-including system owners, information security professionals, system engineers, and administrators-to ensure systems remain in full technical alignment with organizational security requirements.
Senior IT Security Engineer National Public Radio IncSenior IT Security EngineerDCRemote$125,000–$152,000 / yearWe are looking for a proactive security engineer to define secure-by-design frameworks, implement high-impact DevSecOps pipelines across multi-cloud environments (AWS and GCP), and lead critical security reviews for emerging technologies, including artificial intelligence. Network & Endpoint Defense: Deploy, recommend, and test advanced security controls, including Endpoint Detection and Response (EDR), enterprise-level antivirus, and perimeter security for Cisco networking devices.
Lead Unified Comms Engineer - Federal Customer Dell, Inc.Lead Unified Comms Engineer - Federal CustomerMclean, VAFull timeThe Unified Communications Engineer supports Dell Mission Operations by engineering, sustaining, and improving voice and collaboration capabilities used for day-to-day mission execution. This role is responsible for administration, troubleshooting, integration, and lifecycle support of communications platforms and endpoints in a secure environment.
Forescout Engineer - Active Ts/Sci With CI Poly ENS Solutions, LLCForescout Engineer - Active Ts/Sci With CI PolyWashington, DCENS 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. Experience with network engineering, including physical or logical such as installation and activation of ports, configuration of switches, and LANS, VLANS, and network FW, or appliances or network administration services such as Active Directory, Guests LANS, and domain management.
Suricata Engineer - Active Ts/Sci With CI Poly ENS Solutions, LLCSuricata Engineer - Active Ts/Sci With CI PolyReston, 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. Associate’s degree and 5+ years of experience supporting IT projects and activities or Bachelor’s degree and 3+ years of experience supporting IT projects and activities or Master’s degree and 1+ years of experience supporting IT projects and activities.
Unified Communications Integration Engineer, Public Safety AxonUnified Communications Integration Engineer, Public SafetyWashington, DC$141,000–$188,000 / yearThe actual base pay is dependent upon many factors, such as: level, function, training, transferable skills, work experience, business needs, geographic market, and often a combination of all these factors. If you receive a suspicious offer or outreach from an email address that is not @axon.com, or if you are asked for sensitive personal information (bank details, Social Security Number) prematurely, please ignore the message and report it to recruitingops@axon.com.
Cybersecurity Range Engineer Leidos Holdings IncCybersecurity Range EngineerAnnapolis Junction, MD$107,900–$195,050 / yearNetwork Expertise: 5+ years of combined experience with Computer Network Operations (CNO)/ Computer Network Exploitation (CNE)/ Computer Network Defense (CND) platforms, cyber training, validation exercises, and working with cyber protection teams (CPTs), including planning, coordinating, and execution. Job Summary: Join our team supporting the cutting-edge CYBER TRIDENT Program and make an impact by guiding the definition, implementation, and delivery of capability focused on U.S. CYBER COMMANDS (USCYBERCOM) Joint Cyber Training Enterprise (JCTE).
Information System Security Engineer Science Applications International CorpInformation System Security EngineerMcLean, VACandidate Resources Chantilly Charleston Colorado Springs Crane El Segundo Fort Meade Hampton Roads Hawaii Huntsville Reston San Diego Southern Maryland St. Louis Washington DC View All Locations Business Management Cyber Cloud Data Science DevSecOps Electrical Engineering Mechanical Engineering Network Engineering Software Engineering Systems Engineering Technical Support View All Career Fields. Please apply through the internal career site here > Address 12010 Sunset Hills Road Reston VA Facebook Page Instagram Feed X Feed Linkedin Page Youtube Page What We Do Mission IT Engineering Services Enterprise IT Professional Services Who We Serve Federal Civilian State and Local Defense Intelligence Community Space Contracts Who We Are About SAIC Investors Newsroom National Imperatives Partnerships Suppliers and Small Business Careers Employee Tools Contact Us 2025 SAIC.
Systems Integration & Support Engineer LeidosSystems Integration & Support EngineerBethesda, MarylandThe position requires a broad understanding of software, computing hardware, networking, virtualization, and system integration, with particular emphasis on: Virtualization: Familiarity with creating, configuring, and managing Virtual Machines. August 25, 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.
Cyber Security Engineering Specialist IV/ Firewall Engineer CACI International IncCyber Security Engineering Specialist IV/ Firewall EngineerSpringfield, VA$103,800–$218,100 / yearThe Opportunity: Team CACI on our TCS Program has an exciting and challenging opportunity available for a Network Security Engineer supporting an Intelligence Community customer's wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Sr. Technical Support Engineer, Focused Services, NGFW Palo Alto Networks IncSr. Technical Support Engineer, Focused Services, NGFWReston, VA$103,400–$167,200 / yearAI Optimization & Troubleshooting: Leverage internal AI-powered diagnostic utilities, automated log analyzers, and machine learning tools to accelerate root-cause analysis, optimize multi-vendor troubleshooting workflows, and decrease time-to-resolution for complex network security events. While the Company will consider applicants who have current work authorization and require a transfer of an existing H-1B visa, the Company is not currently considering applicants who require new visa sponsorship (including new H-1B petitions) or individuals currently in OPT/CPT status who will require future sponsorship to maintain work authorization.
Senior Security Engineer FINRASenior Security EngineerRockville, MDFull timeFINRA employees are required to disclose to FINRA all brokerage accounts that they maintain, and those in which they control trading or have a financial interest (including any trust account of which they are a trustee or beneficiary and all accounts of a spouse, domestic partner or minor child who lives with the employee) and to authorize their broker-dealers to provide FINRA with duplicate statements for all of those accounts. Additional insurance includes basic life, accidental death and dismemberment, supplemental life, spouse/domestic partner and dependent life, and spouse/domestic partner and dependent accidental death and dismemberment, short- and long-term disability, long-term care, business travel accident, disability and legal.
Engineer, Systems & SaaS Washington Nationals Baseball ClubEngineer, Systems & SaaSWashington, DC$100,000–$120,000 / yearPart timeReporting to the Director, IT Operations, the Systems & SaaS Engineer is the senior IT Operations staff member responsible for the architecture, design, implementation, administration, and optimization of enterprise systems and SaaS platforms across a hybrid cloud and on-premise environment, with a primary focus on Microsoft 365, Azure, and integrated SaaS applications. The Engineer enables a modern, automated, AI-ready digital workplace, maintains system reliability, drives integration and automation, provides technical guidance and serves as the senior escalation point and design authority for all systems and SaaS matters.
Senior Systems Engineer (IT Infrastructure) AvintSenior Systems Engineer (IT Infrastructure)Tysons, VABachelor’s Degree in Systems Engineering, Electrical Engineering, Mechanical Engineering, Computer Science, or related engineering discipline. As part of a high-performing engineering team, you will contribute to building and sustaining resilient, secure, and scalable systems that meet stringent government requirements.
Lead Systems Engineer - SATCOM PeratonLead Systems Engineer - SATCOMFort Meade, Maryland$146,000–$234,000 / yearFull timeResponsibilities: Peraton is seeking a deeply technical Lead Engineer that will serve as the technical authority for an Operations & Maintenance program supporting SATCOM infrastructure and global mobility communications This person will be responsible for overall system architecture, engineering lifecycle management, cybersecurity posture, and integration of SATCOM and enterprise infrastructure capabilities. The Lead Engineer ensures continuity of BIWF lab operations, supports geographically distributed engineering teams, and maintains documentation including engineering design artifacts, technical analysis reports, and system diagrams.