Senior Infrastructure Engineer PeratonSenior Infrastructure EngineerCollege Park, Maryland$135,000–$216,000 / yearFull time12+ years of experience in application prototype development and/or system engineering and a bachelor’s degree in computer science, electrical engineering, information systems, or a related discipline, 10+ years of experience with a master’s degree, and 8+ years of experience with a PhD. Demonstrated work experience in areas such as IT and telecommunications system engineering, system integration, development and operations, project execution and quality oversight, resource identification and allocation, financial tracking and reporting.
Cybersecurity Implementation Engineer Abile Group, Inc.Cybersecurity Implementation 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.
NewSenior Network Engineer Sienna Systems CorporationSenior Network EngineerFalls Church, VA$137,500–$142,500 / yearSienna Systems is seeking a Senior Network Engineer to join our U.S. Customs and Border Protection Enterprise Network Architecture & Engineering Services Support (ENAESS) team, in Ashburn, Virginia. This is the senior technical seat on the data center side: Cisco Application Centric Infrastructure fabric, F5 load balancing, Firepower firewalls, NetScout and IXIA instrumentation, and the circuits and DMZ architecture tying it together.
10 Yrs IT Security Engineer AHU Technologies10 Yrs IT Security EngineerWashington, District of Columbia$85–$90 / yearEstablish and maintain regular written and in-person communications with the organization’s executives, decision-makers, stakeholders, department heads, and end users regarding pertinent network activities.2. Design company LANs, WANs, VMs, virtual networks, and wireless networks, including servers, routers, hubs, switches, UPSs, and other devices.4.
Virtualization and Storage Engineer JCS Solutions LLCVirtualization and Storage EngineerFort Belvoir, VA$90,000–$106,000 / yearJob Summary JCS Solutions LLC is seeking an experienced Senior Virtualization and Storage Engineer to support the DTRA I3TS Infrastructure Services team to support, maintain and optimize critical mission operations across multiple geographic locations. The ideal candidate will be a technical expert responsible for installation, configuration, security, operation, and maintenance of servers, equipment, and software related VMware virtualization and storage technologies.
Network Security System Administrator 3 ItezzNetwork Security System Administrator 3Annapolis Junction, MarylandConfigure and manage network devices, firewalls, VPNs, web proxies, and load balancers and installs/loads operating system software, troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance. Configure and manage network devices, firewalls, VPNs, web proxies, and load balancers and install/load operating system software, troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.
Network Security System Administrator 2 ItezzNetwork Security System Administrator 2Annapolis Junction, MarylandConfigure and manage network devices, firewalls, VPNs, web proxies, and load balancers and installs/loads operating system software, troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance. Configure and manage network devices, firewalls, VPNs, web proxies, and load balancers and install/load operating system software, troubleshoot, maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.
NewSenior Network Solutions Consultant AECOMSenior Network Solutions ConsultantArlington, VARemote$168,000–$196,000 / yearReqID:** J10154723 **Business Line:** B&P - Buildings & Places **Business Group:** DCS **Strategic Business Unit:** East **Career Area:** Consulting Services **Work Location Model:** Hybrid **Compensation:** USD 168000 - USD 196000 - yearly We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.
Te21p4 Infrastructure Engineer American Chemical SocietyTe21p4 Infrastructure EngineerWashington, DC$140,000–$160,000 / yearACS currently provides the following benefits for this position: paid vacation leave, paid sick leave, paid holidays, health insurance, flexible spending account or health care savings account, dental insurance, life insurance, vision insurance, retirement benefits, short- and long-term disability, and 4-week work from anywhere; each benefit is subject to the terms of the applicable program. Experience with AWS Cloud in the following areas: VPC, EC2, ALB/NLB, Transit Gateway, Routing, Security Groups/NACLs, Network firewall, VPN, Direct Connect, CloudFormation, and IAM roles.
Systems Engineer Expel, Inc.Systems EngineerHerndon, VA$105,000–$125,000 / yearKnowledge of Cisco Meraki and basic networking concepts like VLANs, DNS, DHCP, and wireless networking. You'll manage access across the employee lifecycle, own large cross-functional projects from beginning to end, and take manual work out of how we operate before anyone feels the friction.
Information Technology - Engineer, Systems Ld Lumen Solutions Group, Inc.Information Technology - Engineer, Systems LdReston, VAESSENTIAL FUNCTIONS: 30% Installs, tunes, upgrades, troubleshoots, and maintains all computer systems relevant to the supported applications including all necessary tasks to perform operating system administration, user account management, disaster recovery strategy and networking configuration. Must have strong hands-on knowledge of AWS platform and services but not limited to VPC, Networking, Direct Connect, Subnets, NACLs, Security Groups, EC2, S3, IAM, ELBs, Lambda, CloudWatch, CloudTrail, EKS etc.
Watch Stander / Junior Network Administrator (Secret Clearance Required) Shift Work On-Site AkimaWatch Stander / Junior Network Administrator (Secret Clearance Required) Shift Work On-SiteAlexandria, VA$65,000–$75,000 / yearConduct Tier I/Tier II technical diagnostics of networks, including server resets (Citrix), SNMPc, pinging servers, user accounts, TAVEE reports, etc. For our government customers, Tuvli ensures that solutions are strictly aligned with agency processes and desired program outcomes while delivering the best value for technology investments.
Senior Voice Engineer System OneSenior Voice EngineerArlington, VirginiaRequirements 10+ years of telecommunications and networking experience with PSTN, VoIP, call centers, IVR, UCaaS, CCaaS, SIP, SBCs, QoS, cloud . Work closely with internal staff (security, network, AD) and managed service providers for solution implementation and issue resolution .
NewSystems Engineer 3 (QKS - 083) SageCor SolutionsSystems Engineer 3 (QKS - 083)Annapolis Junction, MarylandServing Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. (Cisco, Juniper, Arista)-System Administration skills for Windows/Linux-Familiarity with Kubernetes/containerization-Experience with Active Directory, LDAP, Centrify, Group Policy, Network Services.-Strong knowledge of security protocols and patching.-Communication and escalation of issues to management.
Linux Engineer LeidosLinux EngineerChantilly, VirginiaThe Linux Engineer will lead and perform engineering efforts in the areas of Windows and Linux servers, workstations, storage, and virtualization; perform data center management tasks such as physical capacity management, hardware installation and commissioning, inventory, decommissioning and removal, and destruction; and coordinate engineering projects including performing technical risk assessment, de-conflict implementations, and resolve technical questions or conflicts. They also manage and deploy infrastructure components such as installing cables and circuits and labeling cables, build and maintain desktop workstations and provide troubleshooting assistance and patching as needed, and perform Tier-3 engineering and support for virtualization infrastructure, consisting of virtual servers, virtual desktops, and automation solutions.
NewCloud Engineer (Ts/Sci Clearance Required) Select Search AssociatesCloud Engineer (Ts/Sci Clearance Required)Fairfax, VirginiaCloud Engineer The Cloud Engineer will be responsible for working with highly functional development team automating service deployments; optimizing system performance; integrating with enterprise authentication services; establishing/improving system monitoring; maintaining established security protocols; provide customers technical support. WHAT YOU'LL NEED TO SUCCEED: Education/Experience: Bachelor's Degree in Computer Programming, Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
Senior Cybersecurity Engineer (ACAS/Trellix SME) ZTI Solutions, LLCSenior Cybersecurity Engineer (ACAS/Trellix SME)Fort Meade, Maryland$150,000–$190,000The ideal candidate brings advanced technical acumen, strong analytical and problem-solving skills, and the ability to independently manage and optimize enterprise ACAS and Trellix security operations, working closely with infrastructure, operations, and mission partner teams to identify risks, investigate threats, and keep enterprise systems compliant and operationally secure. 5+ years of overall IT experience (systems administration, engineering, networking, or technical support), including at least 4 years of progressive hands-on experience in cybersecurity operations, ACAS vulnerability management, Trellix endpoint security administration, and cybersecurity engineering.
VDI Engineer - TS/SCI with Polygraph General Dynamics Information TechnologyVDI Engineer - TS/SCI with PolygraphSterling, VirginiaIn this role, a typical day will include: Designing, implementing, and sustaining Citrix XenDesktop, Citrix ADC (NetScaler), Provisioning, and Virtual Apps/Desktops in large-scale environments. 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.
Senior IT Systems/Network Engineer - Fort Belvoir, VA OBXtek Inc.Senior IT Systems/Network Engineer - Fort Belvoir, VAFort Belvoir, VirginiaFull timeLead efforts collaboratively with developers, designers, product owners, and partner organizations to rapidly develop prototype technical software and hardware solutions. Major Duties and Responsibilities: Provide technical reviews of engineering design and implementation plans of network infrastructure modernization projects to ensure compliance with established network architecture.
NewVDI Engineer - TS/SCI General Dynamics Information TechnologyVDI Engineer - TS/SCISterling, VirginiaIn this role, a typical day will include: Engineering, designing, testing, implementing, maintaining, securing, and managing the full life cycle of the complex Citrix XenDesktop and NetScaler solutions deployed in the large Enterprise environment. 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.