Physical Security Network Engineer or System Administrator (ESS/LENEL)

CSV-Taurean

$75K — $95K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of network engineering experience (Tier 3 focus)
  • 3+ years of system administration experience (Tier 2 focus)
  • Active Top Secret (TS/SCI) clearance
  • CompTIA Security+ (or equivalent) certification
  • Cisco Certified Network Associate (CCNA) or equivalent certification

Responsibilities

  • Lead network engineering for ESS/LENEL infrastructure
  • Provide Tier 3 support for complex issues
  • Configure network security hardware
  • Implement proactive monitoring and performance optimization
  • Design solutions for system failures
  • Support SIEM tuning and incident response
  • Operate and administer LENEL and ESS systems
  • Troubleshoot Tier 2 escalated issues
  • Manage Active Directory and system services
  • Conduct vulnerability scans and recommend actions

Benefits

  • Opportunity to support mission-critical IT service delivery
  • Work within a small, high-performing team
  • On-the-job training in a secure DoW environment
  • Access to advanced security systems and technology
  • Engagement in professional growth with a direct impact on mission success
Full Job Description
This opportunity supports mission-critical IT service delivery within a secure Department of War (DoW) environment. In this role, you will provide advanced end-user support while supporting coordination, reporting, and operational execution within a small, high-performing team.

About the Roles

We are hiring for two distinct roles under a singleposting:
  • Physical Security Network Engineer (Tier 3)
  • Physical Security System Administrator (Tier 2)

Both positions support Electronic Security Systems

(ESS), LENEL platforms, and secure network infrastructure in a mission-critical DoW environment.

These are full-time, onsite roles.

Role 1: Physical Security Network Engineer (Tier 3)

What You'll Do
  • Lead network engineering, design, and lifecycle management for ESS/LENEL infrastructure
  • Provide Tier 3 support, solving complex or unknown issues
  • Configure and manage network security hardware and infrastructure
  • Implement proactive monitoring (FCAPS) and performance optimization
  • Design and validate solutions to critical system failures
  • Support SIEM tuning, threat detection, and incident response

Ideal Background
  • Strong experience in network engineering (routing, switching, firewalls)
  • Experience in Tier 3 escalation environments
  • Deep understanding of secure/DoW network environments


Role 2: Physical Security System Administrator (Tier 2)

What You'll Do
  • Operate and administer LENEL and ESS systems
  • Provide Tier 2 support, troubleshooting escalated issues from Tier 1
  • Manage Active Directory, DNS, DHCP, and system services
  • Perform patching, STIG compliance, and system maintenance
  • Support backup, storage (SAN), and virtualization environments
  • Monitor systems, analyze logs, and resolve incidents

Ideal Background
  • Strong experience in system administration and enterprise IT support
  • Experience in Tier 2 troubleshooting and operations
  • Familiarity with secure or regulated environments

Shared Responsibilities (Both Roles)
  • Support ESS and CCTV infrastructure, including integration and troubleshooting
  • Maintain log management and SIEM operations (monitoring, tuning, response)
  • Conduct vulnerability scans and recommend remediation actions
  • Support backup and recovery operations, including testing
  • Deliver system health and performance reporting
  • Participate in on-call rotation (2-hour response requirement)
  • Support after-hours, weekend, and holiday operations as required
  • Assist with physical security systems and infrastructure support
  • Provide technical recommendations and system improvement guidance

Required Qualifications (Both Roles)

Certifications (Required)
  • CompTIA Security+ (Security+) or equivalent (DoD 8570/8140 compliant)
  • Cisco Certified Network Associate (CCNA) or equivalent


Clearance
  • Active Top Secret (TS/SCI) clearance (required)

Experience Requirements
  • Network Engineer: 5+ years (Tier 3 / engineering focus)
  • System Administrator: 3+ years (Tier 2 / operations focus)
  • Experience in DoW, classified, or high-security environments preferred

Preferred Experience
  • LENEL access control systems
  • SolarWinds, NetApp, VxRail, Thales, Quest
  • CMMC, NIST 800-171, RMF frameworks
  • Physical security systems (ESS, CCTV, access control)

Why Taurean
  • At Taurean, we don't hand off problems-we own execution.
  • You'll work in an environment where performance matters and what you do directly impacts mission success.

If it doesn't run, it doesn't matter.

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