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Engineer Senior -Senior Network EngineerDefense Engineering • Fort Belvoir, Virginia, United States
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Engineer Senior -Senior Network Engineer

Defense Engineering
  • US
    Fort Belvoir, Virginia, United States
  • US
    Fort Belvoir, Virginia, United States
Jetzt Bewerben

Über

Defense Engineering Inc. (DEi) is seeking a Senior Network Engineer /Architect to support our long‑term contract located at the Defense Threat Reduction Agency (DTRA) at Fort Belvoir, VA The I3TS program provides enterprise‑wide IT support to enable DTRA’s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA’s internal and external mission partners operating in CONUS and OCONUS locations, in supporting the agency’s mission to counter and prevent emerging global threats. DEi is a leading small IT business leader in the Washington D.C. Metropolitan Area. DEi combines experience and innovative ideas to provide our clients with the right solution with the right people at the right time. We are a proven IT services and solutions provider for full‑life‑lifecycle engineering of network, storage, cyber security, communication and policy compliance needs. We focus on delivering IT solutions to meet complex technological and business challenges within mission‑critical enterprises. In addition to the traditional full‑time employee benefits package (health, dental, vision, 401K, life insurance, short‑term and long‑term disability plans, vacation time and holidays, DEi also offers Education and professional Certification Reimbursement, and Gym Membership reimbursement benefits. Job Category: Information Technology – Network Engineer / Architect Senior Salary: Negotiable Location: Fort Belvoir, VA US Clearance Level Must Currently Possess: Top Secret / SCI Eligible US Citizenship Certifications (Baseline) DoD 8140/8570 Baseline Certification: Must hold a minimum of one (1) active IAT Level II certification: CompTIA Security+ CE CompTIA CySA+ GIAC Global Industrial Cyber Security Professional (GICSP) GIAC Security Essentials (GSEC) ISC² Systems Security Certified Practitioner (SSCP) Certifications (ActiveComputing Environment (ACE) Must hold an active Cisco Certified Network Associate (CCNA) certification, or a verified equivalent vendor certification (such as Juniper JNCIS or Aruba ACMA) subject to contract approval. Education / Experience: Bachelor’s degree in Computer Science, Electrical/Network Engineering, Information Systems, or a related technical discipline with 8-12 years of relevant experience, OR a Master’s degree with 6-10 years of relevant experience. Schedule: Full-time Potential for Teleworking: Situational Travel: None Shift: Day Job Job Description The successful candidate will play a key role in enhancing IT efficiency, security, and mission effectiveness by designing, implementing, and maintaining a resilient and secure network infrastructure. Responsibilities Design, deploy, and maintain robust network infrastructure to support enterprise systems and data pipelines. Configure and optimize network hardware including routers, switches, firewalls, load balancers, and VPN solutions to ensure secure and reliable connectivity. Manage and support Unified Communications, including Cisco Call Manager (CUCM), to ensure seamless voice and video collaboration. Lead complex network engineering projects, including system upgrades, migrations, and new deployments. Implement and manage network access control (NAC) using Cisco Identity Services Engine (ISE), including device profiling, posture assessment, and policy enforcement to support a Zero Trust architecture. Monitor network performance, troubleshoot latency and bandwidth issues, and implement changes to improve stability and throughput. Implement and manage routing protocols such as BGP and OSPF. Configure, and maintain TACLANE high‑assurance cryptographic encryptors, including the implementation of Agile VLAN for Layer2 security. Troubleshoot and support portable, deployable “fly‑away kits” for remote and tactical communications needs. Create and maintain comprehensive documentation, including detailed network diagrams, system engineering plans, and technical standards. Ensure the network design complies with all security policies, supports scalability, and aligns with operational and mission requirements, including the implementation of Zero Trust principles. Collaborate with government partners, engineers, and other stakeholders to translate operational and strategic requirements into scalable, production‑ready solutions. Mentor and guide junior network engineers, providing technical oversight and sharing knowledge. Required Qualifications The applicant will have: Proven experience in engineering and sustaining enterprise network infrastructure in DoD or other federal environments. Hands‑on experience with routing and switching protocols (BGP, OSPF), network security (NGFW, IDS/IPS), and load balancing. Experience with configuring routers, switches, firewalls, load balancers, and VPN solutions from vendors like Cisco, and Palo Alto. Desired Qualifications Advanced networking certifications such as Cisco CCNP or CCIE. Experience with high‑assurance cryptographic devices, specifically TACLANE (KG-175). Experience with Cisco Unified Communications Manager (CUCM). Experience with network automation and Infrastructure as Code (IaC) tools like Ansible. Familiarity with Zero Trust network segmentation and micro‑segmentation. Experience supporting large‑scale enterprise data, analytics, or platform services in secure environments. Experience with Remedy or ServiceNow ticketing systems. Familiarity with TACLANE management (e.g. GemOne, CHIMERA, VINE) Experience with Cisco Nexus switching platforms and expertise in software‑defined networking (SDN) solutions, particularly Cisco ACI, for data center automation and micro‑segmentation.
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  • Fort Belvoir, Virginia, United States

Sprachkenntnisse

  • English
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