Infrastructure Security Engineer JBG SMITH PropertiesInfrastructure Security EngineerBethesda, MD$130,000–$160,000 / yearIn-depth knowledge of Cloud Service Operations & Controls, network monitoring/management tools, network access control (Cisco ISE), NIST Framework, Zero trust solution (Zscaler), sophisticated networks and dynamic routing protocols (BGP, EIGRP), SD-WAN, VoIP/Cloud Voice Solutions, SaaS, PaaS, IaaS, SCCM and device/system patching, Building Automation Systems, SIEM (Splunk, CrowdStrike), network and endpoint security tools, firewalls (Palo Alto, Meraki, Cisco, Ruckus), Citrix, as well as WVD/Workspaces. This role suits an engineer who takes a holistic, full-stack approach - comfortable across every layer of the environment, from physical network and cabling design through cloud architecture and application enablement - and who wants to materially influence the security posture of a multi-faceted real estate company.
Lead Firewall Engineer Leidos Holdings IncLead Firewall EngineerWashington, DC$131,300–$237,350 / yearAbout our Program: Through the J6 Penetration Handling, Incident, System Health (PHISH) support services task order on the GSM-O contract, we provide IT products, services and solutions to the Pentagon and other DoD offices and agencies for them to meet mission and business requirements. Serve as a People Leader for personnel supporting the Firewall Task Area: Serve as the focal point for all firewall tasks, operations, projects, and assessments.
Systems Engineer Leidos Holdings IncSystems EngineerOdenton, MD$107,900–$195,050 / yearAll positions require a Bachelor's Degree in a related discipline as well as professional, directly relevant experience depending on job level (Level III: 4+ years of experience, Level IV: 8+ years of experience, Level V: 12+ years of experience). 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.
IT Systems Engineer - JobID-0034 INNOVATIVE DEFENSE TECHNOLOGIESIT Systems Engineer - JobID-0034Arlington, VA$90,000–$184,000 / yearAbout The Role: Innovative Defense Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking an IT Systems Engineer to be part of our Advanced Capabilities team and based out of our Arlington, VA location. At each location, our employees work together in a modern, snack-filled, and social office space, designing innovative solutions for our defense industry customers.
NOC Engineer Leidos Holdings IncNOC EngineerChantilly, VA$59,150–$106,925 / yearPrimary Responsibilities include but are not limited to: Performing with the following duties: Real-Time Monitoring: Watch over network performance, server health, bandwidth utilization, and core infrastructure via enterprise monitoring tools, such as SolarWinds and Splunk. 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.
CORE/WAN Network Lead CACICORE/WAN Network LeadSterling, Virginia$120,800–$265,800 / yearAs a leader in our networking team, you will be responsible for guiding and developing our workforce, spearheading problem-solving efforts for critical network issues, fostering collaboration among team members, and driving continuous improvement through staying current with industry innovations. 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.
IT Systems Engineer - JobID-0034 Innovative Defense TechnologiesIT Systems Engineer - JobID-0034Arlington, Virginia$90,000–$184,000 / yearAbout The Role: Innovative Defense Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking an IT Systems Engineer to be part of our Advanced Capabilities team and based out of our Arlington, VA location. At each location, our employees work together in a modern, snack-filled, and social office space, designing innovative solutions for our defense industry customers.
System Integration Engineer LeidosSystem Integration EngineerArlington, Virginia$87,100–$157,450 / yearBachelor’s degree in engineering or related field with 4+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: computer engineering, software engineering, test engineering or related field. June 8, 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.
Implementation Engineer Booz Allen Hamilton Inc.Implementation EngineerFort Meade, MD$61,900–$141,000 / yearWork closely with other IT and facilities team members, project teams, clients, architects, engineers, subcontractors, vendors, material suppliers, and other technical resources to analyze business and technical requirements to develop system designs, estimates, implementation plans, management and customer reports, and coordinate the structured cabling design with other design disciplines. Onsite: 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.
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.
Lead Firewall Engineer LeidosLead Firewall EngineerWashington DC, District of ColumbiaJuly 29, 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. Through the J6 Penetration Handling, Incident, System Health (PHISH) support services task order on the GSM-O contract, we provide IT products, services and solutions to the Pentagon and other DoD offices and agencies for them to meet mission and business requirements.
Senior Computer Systems Engineer / Architect – Winchester, VA Jobsonboard.workSenior Computer Systems Engineer / Architect – Winchester, VAPurcellville, VirginiaBased full-time at our headquarters in Winchester, VA , this position provides systems engineering and IP network support focused on emergency services routing, location information provisioning, interoperability coordination, and technical risk reduction supporting Army Public Safety Answering Point (PSAP) connectivity. We are seeking a senior-level Systems Engineer to support Enhanced 9-1-1 (E-911) implementation activities associated with Army Voice Modernization.
Senior Storage Systems Engineer (VMware)- 3649546 CTCSenior Storage Systems Engineer (VMware)- 3649546Manassas, VirginiaWith offices in Washington DC and San Diego, CA, CTC is a leading technology company providing lifecycle IT, data analytics, cloud managed hosting services, agile software development, DevOps, Test Automation, Cyber Security, and infrastructure solutions. Required Experience & Expertise in the following areas : In depth knowledge of network switching in Dell Blade systems and Firewall Management for Virtual Infrastructures.
Software Engineer (Expert) BAE Systems PlcSoftware Engineer (Expert)Herndon, VA$149,603–$254,317 / yearAbout BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. The ideal candidate will be responsible for developing and automating our customer's in support of this customer's mission, ensuring the smooth operation of all systems within the virtual environment (Nutanix, VMs,) to optimize performance, scalability and automation.
Enterprise - Senior DevOps Engineer - Linux, Containers, Cloud Erias VenturesEnterprise - Senior DevOps Engineer - Linux, Containers, CloudAnnapolis Junction, MarylandWe are seeking a DevOps Engineer who will be responsible for system administration, maintenance, upgrades, installation, test, integration, and configuration of VLP/LF/MF/HF/VHF/UHF/Wireless SIGINT survey, collection and geo-location systems and software to include prototypes, development, operational testing, test, and labs systems and products. Twelve (12) years' experience with software and system deployments, Linux system admin, containerization, cloud deployments, DevSecOps; Bachelor of Science in Engineering or Computer Science; or may substitute four (4) years' experience in lieu of a Bachelor's Degree; or may substitute two (2) years' experience with MS in Engineering or CS.
Staff Systems Engineer I - USPTO EUSOS National Capitol Contracting LLCStaff Systems Engineer I - USPTO EUSOSAlexandria, VA$70,000–$75,000 / yearsound systems, audio recording devices, webcasting, videotaping live programs, video teleconferencing, computer data video production, streaming servers, and associated content management systems, lighting, and related services. Rather than managing daily technician schedules, you will build the technical automation frameworks, author configuration profiles, and bridge critical gaps between Warehouse Lifecycle Operations, Network Operations & Maintenance, and Security Operations & Enterprise Monitoring branches.
Email Security Engineer, Senior Booz Allen Hamilton IncEmail Security Engineer, SeniorFort Meade, MD$86,900–$198,000 / yearThis position is built for someone who enjoys solving difficult networking problems, working hands-on with advanced F5 and load balancing technologies, and supporting mission-critical infrastructure where performance, resilience, and security matter every day. This role offers the opportunity to take ownership of meaningful technical challenges, collaborate with experienced engineering and cybersecurity teams, and help modernize secure communications infrastructure supporting national security missions.
Firewall Operations Engineer Belcan LLCFirewall Operations EngineerBeltsville, 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.
Senior Systems Engineer Delinea IncSenior Systems EngineerWashington, DCThis position is based in the Reston, VA / Washington, D.C. metropolitan area and operates in a hybrid model out of the DC office, combining remote work with regular presence in local data centers and colocation facilities, with periodic travel required for infrastructure projects and participation in after-hours maintenance windows and critical incident response as needed. What You'll Do: Conduct ongoing monitoring of data center infrastructure to ensure the integrity, performance, and availability of hardware, server resources, network systems, and critical services; proactively review system and network activity to identify and address potential issues.
Senior VOIP Engineer ValidaTek IncSenior VOIP EngineerVAThis role serves as the technical lead for Cisco Unified Communications Manager (CUCM) environments, supporting VoIP infrastructure, collaboration platforms, and voice services across multiple enclaves and locations while ensuring availability, security, and performance. Our commitment to quality and performance optimization is the reason why our IT Service Projects and New Development Projects have been appraised at CMMI Maturity Level 5, positioning us as one of a handful of elite companies to receive the highest form of third-party validation.