SarelaTech is seeking an experienced and motivated Senior Network Engineer to support the Defense Threat Reduction Agency (DTRA) on the Integrated Information Technology Support Services (I3TS) contract. This contract is a critical initiative to modernize and operate DTRA's enterprise IT systems. 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. This role will be instrumental in supporting the agency's mission to counter and prevent emerging global threats.
Primary 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 Layer 2 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:
- Active Top Secret (TS) clearance with SCI eligibility.
- 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.
- Current DoD 8570/8140 baseline certification (Security+ and CCNA).
- 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.