Network Engineer
$87,360–$131,040 year
On-siteAlexandria, Virginia, United States
Job Summary
Maintain and support network infrastructure including firewalls, routers, switches, LANs, WANs, site-to-site VPNs, and wireless networks across corporate and customer sites in Alexandria, VA, Welcome, MD, and Washington, DC. Implement configuration changes per approved architecture and design direction while applying security best practices to all activities. Assist in planning and deploying cloud network infrastructure in AWS, including VPC configuration and security groups. Respond to Tier 2/3 support tickets via Slack/GitLab, manage hardware lifecycle activities, and coordinate vendor procurement. Contribute to network documentation, diagrams, and SOPs for compliance activities. Requires Active DoD SECRET clearance with TS/SCI eligibility, US citizenship, and a B.S. in a relevant field. Full-time on-site role with comprehensive benefits including fully funded medical/dental/vision, HSA, and 20% 401k match.
Required Qualifications
- Active DoD SECRET clearance, with the ability to obtain a TS/SCI clearance
- Must be a US citizen
- B.S. in a relevant field (Computer Science, Engineering, Information Technology) or equivalent combination of education and hands-on experience
- 3+ years of hands-on experience in network engineering, administration, or support roles
- Demonstrated experience maintaining and troubleshooting enterprise network infrastructure, including routers, switches, firewalls, and VPNs in a production environment
- Working knowledge of networking protocols and technologies including OSPF, BGP fundamentals, VLANs, and Layer 2/3 switching
- Hands-on experience with Cisco and/or Palo Alto networking equipment in an enterprise or data center environment
- Solid understanding of network security principles, including firewall rule management, VPN configuration, and access control
- Proficient troubleshooting skills across LAN/WAN environments with excellent hardware troubleshooting instincts
- Experience with network monitoring tools, analysis software, and ticketing systems
- Working familiarity with RMF and CMMC control families and the ability to support network compliance activities, including documentation review, scanning support, and configuration assessment (e.g., ACAS/Nessus, STIG Viewer, SCAP)
- DoD 8750 certification at IAT Level II (CompTIA Security+, Cloud+, or CASP+), which will be required to attain and maintain within a defined period of joining
Desired Qualifications
- Current TS/SCI clearance
- Exposure to cloud networking concepts, particularly AWS - including VPC design, VPN gateways, and security groups; AWS GovCloud experience is a plus
- AWS certifications, particularly AWS Certified Solutions Architect – Associate or AWS Cloud Practitioner
- CCNA certification; progress toward or completion of CCNP is a plus
- Familiarity with tools used in the environment: GitLab, Terraform, VMware, Proxmox
- Exposure to automation or scripting concepts (Python, Bash, Ansible) - no deep expertise required
- Familiarity with Linux, especially RHEL families
- Experience working in a classified IT development or operations program
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