Network Engineer - TS/SCI with Poly Staffed4UNetwork Engineer - TS/SCI with PolyMarylandAs part of the infrastructure team, you will play a key role in designing, implementing, maintaining, and troubleshooting secure and scalable networks across classified and high-performance computing (HPC) environments. This role supports complex computing environments, involving high-speed data transport, system interconnectivity, and integration of advanced technologies in support of real-world mission success.
Network Engineer - AI Experience - Senior ACKtive Engineering Solutions LLCNetwork Engineer - AI Experience - SeniorLinthicum Heights, MD$310,271.70–$360,638.94 / yearFull timeMaintain, monitor, troubleshoot, and dianose and resolve problems with Cisco ASA firewalls, Cisco Intrusion Detection/Prevention Systems, Cisco VPNs, Cisco 3750 series switches, and Cisco management applications. Strong AI skills across other disciplines who could provide expertise to the wide-ranging AI issues aworking group is looking to tackle (software development, hardware engineering, systems engineering, etc).
Network Engineer CbNetwork EngineerWashington, District of ColumbiaThe role involves managing both wide area networks (WAN) and local area networks (LAN), ensuring optimal performance, and supporting applications programmers working within the telecommunications environment. Overview: We are seeking a skilled Network Engineer with strong leadership skills to design, configure, test, implement, and maintain our telecommunications infrastructure.
Senior Network Engineer Abile Group, Inc.Senior Network EngineerQuantico, 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.
Network Engineer NewGen TechnologiesNetwork EngineerArlington, VirginiaBS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree; or HS Diploma and 7+ years network administration, network engineering or systems administration experience. Diagnose and resolve complex enterprise storage issues across local and wide area networks, including replication strategy support and remediation of storage-related incidents.
Network Engineer Abile Group, Inc.Network EngineerSpringfield, VirginiaWith 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. Abile 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.
Information Systems Security Engineer (ISSE) Dobbs Defense Solutions, LLCInformation Systems Security Engineer (ISSE)Landover, MDThis role partners closely with system administrators, network engineers, Information System Security Officers (ISSOs), and application teams to strengthen cybersecurity posture, support continuous monitoring, and protect mission-critical systems. Hands-on experience administering Tenable Nessus, CyberArk, Trellix, Splunk Enterprise, VMware vSphere, GitLab, Microsoft Windows Server, Red Hat Enterprise Linux, and Ubuntu Linux.
DevOps Engineer NewGen TechnologiesDevOps EngineerHerndon, VirginiaYou will be trained in DevOps and work alongside a collaborative team of Software Developers, Systems Development Engineers, Network Engineers, and Data Engineers to develop unique software that enables customer networks to safely operate at scale. Our team of Highly Cleared Specialists have hard-to-find skills and expertise in a wide spectrum of technologies to provide solutions that transform business processes and solve problems of national significance.
Senior Information Systems Security Engineer (ISSE) Amatriot Group, LLCSenior Information Systems Security Engineer (ISSE)Annapolis Junction, MD$150,000–$210,000 / yearImplement security systems by specifying intrusion detection methodologies and equipment, directing equipment and software installation and calibration, preparing preventive and reactive measures, creating, transmitting, and maintaining keys, providing technical support, and completing documentation. This role performs security engineering across the system development lifecycle, supports vulnerability management, integrates cybersecurity requirements across enterprise environments, and ensures development and operational systems are functional and secure.
Information Systems Security Engineer-(TS/SC w/Poly)-Chantilly, VA iSenpaiInformation Systems Security Engineer-(TS/SC w/Poly)-Chantilly, VAChantilly, VirginiaInformation Systems Security Engineer (ISSE)-TS/SCI W/Poly-Chantilly, VA Required Degree: Bachlor’s Degree Required Experience: 5+ years Required Clearance: TS/SCI with Poly Description: The Information System Security Engineer (ISSE) designs, implements, and manages security solutions for information systems. iSenpai is a Woman-Owned Small Business (WOSB) that provides enterprise IT and cyber security services, cloud technology, and data analytics solutions for US Government and commercial customers.
F5 Applications Engineer AkimaF5 Applications EngineerAlexandria, VA$130,000–$136,000 / yearFor our government customers , Suvi delivers subject matter experts, an agile management approach, and innovative technologies that accomplish customers’ missions safely, securely, and efficiently. At Suvi, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.
NewAerospace Engineer INFINITY SYSTEMS ENGINEERING LLCAerospace Engineer20693, MDWork with the spacecraft factories, RF and digital technicians, network engineers, software teams, and others during existing or new spacecraft into the ground command and control architectures, includes spacecraft designs reviews, integration, ground and on-orbit tests. Develop mission plans, check the logs for day and overnight activity, compiles system and network statistics, writes or modifies perform files, and evaluate and trend spacecraft performance.
Core/Wan Network - Tier 3 CACI International Inc.Core/Wan Network - Tier 3Sterling, VA$120,800–$265,800 / 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. The Opportunity: 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.
UC Field Support Engineer Node.DigitalUC Field Support EngineerWashington, DCThe UC Field Support Engineer will be responsible for delivering technical support for UC systems, including incident resolution, hardware and endpoint troubleshooting, and coordination with centralized support teams to ensure continuity of operations. Strong expertise in UC infrastructure technologies, including Avaya Government Cloud telephony, Cisco Unified Communications infrastructure, and Microsoft Teams collaboration services.
Video Teleconference Engineer Geospatial And Cloud AnalyticsVideo Teleconference EngineerQua, VirginiaGCA is a minority veteran owned small business providing solutions to customer requirements in every realm of the intelligence and information technology industries to include, imagery/intelligence analysis, related systems engineering and administration, operations and maintenance, networking and VTC services. This role requires hands-on experience with AV system integration, VTC call support, and the administration of UC platforms in a dynamic and security-conscious enterprise setting.
NewSystems Engineer - Active Security Clearance CadreSystems Engineer - Active Security ClearanceReston, VAFull timeKnowledge of and hands on experience implementing IT and Cyber Security best practicesAbility to assess emerging technologies, determine their impact on corporate systems and incorporate them into technical plansStrong analytical and problem-solving skills; demonstrated ability to analyze complex situations, determine course of action and act promptly and effectively when problems ariseDemonstrated outstanding interpersonal skills and strong verbal and written communications skills Desired Qualifications:Active TS/SCI with poly with most recent BI/Poly dates within the last five yearsExperience building, deploying, maintaining, Windows and RedHat/CentoS serversExperience building, deploying, maintaining, Citrix VDI DesktopsKnowledge and hands on experience with Microsoft Azure, and Azure Stack HubExperience building, deploying, maintaining, Atlassian products such as JIRA and ConfluenceExperience building, deploying, maintaining, Microsoft ExchangeExperience building, deploying, maintaining clusters, load balancers, multi-datacenter applicationsExperience with Cisco Application Centric Infrastructure (ACI)Experience designing, building, deploying, and maintaining sensitive networksExperience with Enterprise database platforms such as MS SQL Server and Oracle databasesExperience with One Way Transfer Solutions and data flow managementKnowledge of SIEM and security analytical technologies (e.g. Splunk, pcap, Netflow, etc)Experience with Active Directory and identity managementExperience with hyper-converged infrastructure such as Cisco HX, Microsoft Storage Spaces DirectKnowledge of DevOps/DevSecOps methodologies and tools.
Systems Engineer Emerald Technical SolutionsSystems EngineerMaryland$120,000–$150,000 / yearThe Systems Engineer will be responsible for managing and maintaining Cisco networking infrastructure, performing Windows systems administration, and collaborating with the Information Systems Security Officer (ISSO) to ensure systems remain secure, compliant, and operational. Monitor internal deliverable statuses to maintain accountability, drive processes to completion, and communicate status to applicable managers, leaders, and points of contact.
System Engineer, Level 3 Independent SoftwareSystem Engineer, Level 3Annapolis Junction, MDEducation and Experience: One of the following combinations is required: Bachelor’s degree in a qualified engineering field or a related discipline from an accredited college or university, plus six (6) years of systems engineering experience; or . Qualified engineering fields include, but are not limited to: Aeronautics, Biomedical, Chemical, Civil, Computer, Electrical, Environmental, Mechanical, Nuclear, Software, Systems, and Engineering Management.
Lead LAN/WAN Engineer GRVTYLead LAN/WAN EngineerWashington, DC$160,000–$172,000 / yearServing as a technical expert on established and ad-hoc project teams providing technical direction, interpretation, and alternatives on existing and new services to meet both architectural and operational needs. We have an exciting opportunity for an experienced Lead LAN/WAN Engineer who will provide expert design, analysis, research, and operation support to exceptionally complex networking problems and processes.
Systems Engineer / Telecom / Network Protocols GIGATEC EngineeringSystems Engineer / Telecom / Network ProtocolsAnnapolis Junction, MDFull timeGuides implementation planning, coordinates with government stakeholders on technical issues, ensures technical integrity of deliverables, and communicates with program teams and senior leadership. All protocol stacks for data transfer, to include but not limited to Routing protocols, Encapsulation, Tunneling and encryption, legacy protocols (i.e. SONET).