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

Taurean is a mission-driven defensive cyber operations firm delivering security engineering, risk management, and compliance execution for federal and regulated environments. Our teams protect operational systems, sensitive data, and high-assurance environments through disciplined engineering, structured compliance frameworks, and operational rigor. Guided by our vision - Find Relevant Work. Create Meaningful Jobs. Transform Lives - for the Glory of God! - we build teams grounded in accountability, professional growth, and purposeful contribution. Our culture emphasizes strong leadership, family-first principles, and continuous development within a collaborative, performance-focused environment. 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

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)