Senior DoD Network Security Engineer - TS/SCI

JFL Consulting; Springfield (VA); On-site; USD 165,000 - 185,000; Full time

Benefits offered by this job

100% employer-paid medical, dental, &

Vision premiums

Flexible Spending Accounts

Life insurance

401(k) with immediate vesting

Generous PTO

Certification reimbursement & online学习

Job summary

JFL Consulting, LLC is seeking a Network Cyber Security Engineer to lead and support site configurations across secure government environments in Springfield, VA. The role focuses on configuring, deploying, and optimizing Linux and Windows systems on-site, with virtualization, scripting, and secure environment integration.

Qualified candidates have 5+ years in a systems/infrastructure role, TS/SCI clearance, and hands-on experience with AD, DNS, SSO, virtualization (ESXi/Hyper‑V/Proxmox), and

Qualifications

• 5+ years in a systems engineering or infrastructure role.
• Experience with Active Directory, DNS, SSO, and authentication protocols.
• Hands-on experience with virtualization platforms (ESXi, Hyper‑V, or Proxmox).
• Experience with cloud platforms (AWS, Azure, or GCP desirable).
• Minimum DoD 8140/8570 IAT Level II certification (e.g., Security+, GCIH, CYSA+)

Responsibilities

• Perform on-site configuration of servers, storage, and networking hardware in secure environments.
• Install, cable, and maintain rack-mounted hardware, including power and cooling components.
• Deploy, configure, and support infrastructure for Linux and Windows systems.
• Build and administer virtualized environments using Proxmox, VMware ESXi, and Hyper‑V.
• Apply system hardening, OS patching, logging, and backup strategies across physical and virtual systems.
• Implement network monitoring tools such as SPAN ports and Gigamon taps.
• Ensure infrastructure aligns with DoD cybersecurity frameworks, including RMF and STIGs.
• Automate configuration tasks and infrastructure deployments using Bash, Python, or PowerShell.
• 5-10% ConUS Travel

Skills

Python scripting

Bash scripting

PowerShell scripting

Active Directory

Networking basics

Education

Bachelor's degree in related field

DoD 8140/8570 IAT Level II

Tools

Proxmox

VMware ESXi

Hyper-V

Ansible

Puppet

Splunk

Elastic Stack

Security Onion

Job description

JFL Consulting, LLC is seeking a Network Cyber Security Engineer to lead and support site configurations across secure government environments in Springfield, VA. The role focuses on configuring, deploying, and optimizing Linux and Windows systems on-site, with virtualization, scripting, and secure environment integration.

Qualified candidates have 5+ years in a systems/infrastructure role, TS/SCI clearance, and hands-on experience with AD, DNS, SSO, virtualization (ESXi/Hyper‑V/Proxmox), and