Senior Network & Systems Engineer – Hybrid (AWS GovCloud)

Telos Corporation; Ashburn (VA); Hybrid; USD 115,000 - 130,000; Full time

Benefits offered by this job

Medical, dental, vision

Tuition reimbursement

401(k)

Paid time off

Job summary

Telos Corporation seeks a highly experienced Senior Network & Systems Engineer in Ashburn, VA, combining Cisco networking, Windows administration, virtualization, and AWS GovCloud skills. You will troubleshoot end‑to‑end infrastructure across on‑prem and cloud, owning complex issues to resolution.

The role requires strong PowerShell, security controls, and documentation, with responsibilities spanning network, server, and cloud domains in a mission‑critical environment.

Qualifications

• 7+ years of experience in network engineering, systems administration, or a related technical role.
• Advanced hands-on Cisco networking and TCP/IP knowledge.
• Windows Server administration with AD, DNS, Kerberos, TLS, and security.
• Experience with Microsoft Hyper‑V clustered environments or similar virtualization tech.
• Strong PowerShell administration, automation, and troubleshooting skills.
• Experience with AWS GovCloud and hybrid cloud connectivity.
• Experience with vulnerability remediation and lifecycle management of infrastructure.
• Ability to troubleshoot complex issues across networks, servers, cloud, and security controls.

Responsibilities

• Configure, maintain, secure, and troubleshoot enterprise Cisco network infrastructure (switches, routers, VLANs, routing, ACLs, VPNs).
• Troubleshoot connectivity, DNS, firewall, performance, and application issues across layers 2–7.
• Support secure connectivity between on‑premises, AWS GovCloud, partners, and customers.
• Analyze network traffic using packet captures, Wireshark, PowerShell, Netstat, and monitoring tools.
• Maintain network configurations, diagrams, and procedures for highly available infrastructure.
• Administer Windows Server environments (AD, DNS, IIS, PKI, TLS) and patching/vulnerability remediation.
• Administer Hyper‑V clustered virtualization environments and perform lifecycle management.
• Use PowerShell for administration, troubleshooting, automation, and evidence collection.
• Manage AWS GovCloud infrastructure, including VPCs, security groups, and hybrid connectivity.
• Apply Infrastructure as Code to deploy/maintain environments per requirements.

Skills

Cisco enterprise networking

Windows Server Administration

PowerShell

AWS GovCloud

Hyper-V / virtualization

Cybersecurity basics

Troubleshooting

Technical documentation

Verbal/written communication

Physical equipment handling

Education

Bachelor's degree or equivalent

Tools

Tenable Nessus

SIEM platforms

Hyper-V Manager

AWS Console

Job description

Telos Corporation seeks a highly experienced Senior Network & Systems Engineer in Ashburn, VA, combining Cisco networking, Windows administration, virtualization, and AWS GovCloud skills. You will troubleshoot end‑to‑end infrastructure across on‑prem and cloud, owning complex issues to resolution.

The role requires strong PowerShell, security controls, and documentation, with responsibilities spanning network, server, and cloud domains in a mission‑critical environment.