Infrastructure Engineer Electrosoft Services, IncInfrastructure EngineerWashington, DCThe engineer is responsible for inventory, installation, replacement, troubleshooting, upgrades, preventative maintenance, ticket response, field dispatch, system documentation, and coordination with STIM technical teams, federal stakeholders, OPDIV points of contact, and logistics/inventory staff. This role supports security tools, supporting infrastructure, client computer systems, servers, workstations, switches, KVM/console devices, APC/rack management devices, and related network/security equipment.
Infrastructure Engineer NorthstratInfrastructure EngineerSterling, VAPay 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. Northstrat is seeking a highly skilled Infrastructure Engineer to orchestrate and execute over the air (OTA) software deployments to globally fielded systems in a potentially degraded, disconnected, intermittent, and limited (DDIL) connectivity environment.
Lab Systems Engineer / Top Secret with SCI eligibility PeratonLab Systems Engineer / Top Secret with SCI eligibilityArlington, Virginia$112,000–$179,000 / yearFull timeCollaborate directly with malware analysts and reverse engineers to implement the specific topologies, device networks, and virtual sandboxes they require, ensuring total network containment and rapid environment resets. Infrastructure Design & Solutioning: Design and build underlying infrastructure solutions to support the virtualization, emulation, and interconnection of various network device types and analysis systems as requested by the reverse-engineering team.
Firewall Operations Engineer | Secret Clearance ConcerasFirewall Operations Engineer | Secret ClearanceBeltsville, MDFirst-hand experience with supporting the monitoring and configuration of Firewall/DMZ infrastructure including Network and Application Firewall Packet Filtering technologies (Palo Alto, Palo Alto virtual FW (cloud), FortiGate, Azure Firewall, Cloudflare, Cisco Email Security Appliances (ESA), A10 (Load Balancer), and proxy devices. Implements firewall rules and policies, perform troubleshooting of firewalls (Palo Alto, Cloud Palo Alto, and FortiGate), CISCO Email Security Appliance (ESA), A10 (load balancer), Proxy platforms, URL filtering across platforms, and analyzing network traffic captures.
Voice & Video Engineer (Tier II) PeratonVoice & Video Engineer (Tier II)Washington, D.C.$104,000–$166,000 / yearFull timeThe Voice and Video Technician is responsible for but not limited to: Tier II phone support of reported customer incidents supporting network conference room video systems, desktop video systems, video conferencing systems, video gateways, and video control systems. We support a secure, worldwide, high-performance communications network comprised of real-time interactive applications allowing complex national and worldwide communications.
Senior Firewall Engineer CACI International Inc.Senior Firewall EngineerSpringfield, VA$75,200–$158,100 / yearThe OpportunityAs a member of the TCS Network Security Services (NSS) team, you will work with both corporate and customer leadership to research, analyze, and implement enterprise-wide network security solutions/capabilities/enhancements to support customer business/mission goals and objectives. 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.
Senior Cyber Security Security Engineer - Comply-To-Connect (C2c) CACI International Inc.Senior Cyber Security Security Engineer - Comply-To-Connect (C2c)Chantilly, VA$103,800–$218,100 / yearPay 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. This role centers on engineering and sustaining Comply‑to‑Connect (C2C) capabilities that protect critical enterprise systems, enhance visibility, and enable mission-focused decision making.
NewSenior Cloud Engineer Sienna Systems CorporationSenior Cloud EngineerFalls Church, VA$122,500–$127,500 / yearThe work is the connectivity itself — Direct Connect, routing at the internet connection point, and the security architecture between the two sides — alongside Trusted Internet Connections 3.0 migration. Sienna Systems is seeking a Senior Cloud Engineer to join our U.S. Customs and Border Protection Enterprise Network Architecture & Engineering Services Support (ENAESS) team, in Ashburn, Virginia.
Sr. Software Engineer (ServiceNow) Applied Network SolutionsSr. Software Engineer (ServiceNow)Chantilly, VA$100,000–$200,000 / yearCompliance with Department of Defense (DoD) 8140.03 (8570) Information Assurance Technical (IAT) Level 2. Oversee and guide team members in the deployment, administration, development, and integration of the ServiceNow suite of tools on RHEL and Windows operating systems, while facilitating collaboration with database developers on MariaDB requirements. Oversee the delivery of well-developed and engineered solutions as deployable packages, ensuring Operations teams can transition solutions to production environments with minimal manual intervention and high success rates.
Secret Cleared | Lead Palo Alto Firewall Engineer | MIDs (11:00pm-7:30am) ConcerasSecret Cleared | Lead Palo Alto Firewall Engineer | MIDs (11:00pm-7:30am)Beltsville, MDFull timeProgram is named "Vanguard" and is an IT consolidation consisting of the Department's servers, mainframes, network devices, network perimeter, anti-virus engineering, public key infrastructure (PKI)/biometrics/encryption, monitoring tools, telephony, mobile computing platform, virtual environment, and enclave design/security engineering. First-hand experience with supporting the monitoring and configuration of Firewall/DMZ infrastructure including Network and Application Firewall Packet Filtering technologies (StoneGate, Palo Alto, FortiGate, Azure Firewall, Cloudflare, Cisco Email Security Appliances (ESA), A10 proxy devices).
NewSr. Software Engineer (Servicenow) Applied Network SolutionsSr. Software Engineer (Servicenow)Chantilly, VA$100,000–$200,000 / yearCompliance with Department of Defense (DoD) 8140.03 (8570) Information Assurance Technical (IAT) Level 2. Oversee and guide team members in the deployment, administration, development, and integration of the ServiceNow suite of tools on RHEL and Windows operating systems, while facilitating collaboration with database developers on MariaDB requirements. Oversee the delivery of well-developed and engineered solutions as deployable packages, ensuring Operations teams can transition solutions to production environments with minimal manual intervention and high success rates.
Firewall Operations Engineer BelcanFirewall Operations EngineerBeltsville, MD$90,000–$110,000 / yearFirst-hand experience with supporting the monitoring and configuration of Firewall/DMZ infrastructure including Network and Application Firewall Packet Filtering technologies (Palo Alto, Palo Alto virtual FW (cloud), FortiGate, Azure Firewall, Cloudflare, Cisco Email Security Appliances (ESA), A10 (Load Balancer), and proxy devices. Implements firewall rules and policies, perform troubleshooting of firewalls (Palo Alto, Cloud Palo Alto, and FortiGate), CISCO Email Security Appliance (ESA), A10 (load balancer), Proxy platforms, URL filtering across platforms, and analyzing network traffic captures.
Principal Security Engineer Fannie Mae CorpPrincipal Security EngineerReston, VADeep knowledge of cloud security architecture, IAM, networking, encryption, logging, monitoring, workload protection, governance, and enterprise network security, including segmentation, firewalls, proxies, VPNs, DNS security, secure web gateways, IPS, load balancing, ZTNA, and SASE. Professional Certifications: Relevant industry certifications such as CISSP, CCSP, PCNSE, AWS Certified Security- Specialty, AWS Certified Advanced Networking- Specialty, Google Professional Cloud Security Engineer, Microsoft Certified: Azure Security Engineer Associate, GIAC certifications, or equivalent credentials.
NewSystems 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.
NewInformation Systems Security Engineer (ISSE) KBR IncInformation Systems Security Engineer (ISSE)Chantilly, VA$168,100–$205,400 / yearReview system architectures, network designs, and technical implementations to identify cybersecurity risks, recommend mitigation strategies, and ensure compliance with sponsor and regulatory requirements. Develop and maintain operational and cybersecurity documentation, including concepts of operation, operations and maintenance procedures, scan results, security event monitoring policies, and authorization evidence packages.
Service Now Developer - Integration Engineer Emergent TechnologiesService Now Developer - Integration EngineerReston, VirginiaA Bachelor’s or Master’s degree in Computer Science (or a related field) is preferred, along with 11+ years of relevant experience , including: Hands-on experience with ServiceNow, including ITSM, ITOM, and CMDB. Emergent Technologies Inc. is seeking a talented and motivated ServiceNow Developer / Integration Engineer to join our growing technology team in support of a mission-critical Government customer.
NewInformation Systems Security Engineer (Isse) KBRInformation Systems Security Engineer (Isse)Chantilly, VA$168,100–$205,400 / yearReview system architectures, network designs, and technical implementations to identify cybersecurity risks, recommend mitigation strategies, and ensure compliance with sponsor and regulatory requirements. Develop and maintain operational and cybersecurity documentation, including concepts of operation, operations and maintenance procedures, scan results, security event monitoring policies, and authorization evidence packages.
Network Operations Manager Systems Planning and AnalysisNetwork Operations ManagerAlexandria, VirginiaFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Design, deploy, configure, maintain , and optimize enterprise network infrastructure, including routers, switches, firewalls, wireless networks, VPNs, and cloud networking components.
CORE/WAN Network - Tier 3 CACICORE/WAN Network - Tier 3Sterling, VirginiaPay 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. Team CACI has an exciting and challenging opportunity available for a Network Designer supporting an Intelligence Community customer’s CORE/wide-area (WAN), networks across multiple security domains.
Network Architect CymertekNetwork ArchitectReston, VirginiaNetwork Engineer, Systems Architect, Network Designer, Solutions Architect, Infrastructure Architect, Network Administrator, Cloud Architect, IT Architect, Telecommunications Architect, Network Consultant, ect. Computer Science, Information Technology, Network Engineering, Telecommunications, Electrical Engineering, Systems Engineering, Computer Engineering, Cybersecurity, Information Systems, Software Engineering, ect.