Senior Tier II Network Configuration Engineer (TS/SCI)

Leidos LLC; Alice Springs; On-site; AUD 100,000 - 140,000; Full time

Job summary

Leidos is seeking a Tier II / Configuration Management Network Technician to support LAN/WAN devices, maintain configuration baselines, and coordinate network changes. The role emphasizes TS/SCI with poly, DoD 8570 IAT Level 2 compliance, and active involvement across CM stakeholders.

The position focuses on detailed documentation, network mapping, and troubleshooting across Cisco/Juniper environments, with strong emphasis on Layer 1–3 operations and standard change procedures.

Qualifications

• Requires TS/SCI clearance with polygraph.
• Equates to extensive combined experience/education as described (16 years total).
• Compliance with DoD 8570 IAT Level 2.

Responsibilities

• Support the installation and maintenance of LAN/WAN devices.
• Create and maintain up-to-date records of system components (hardware/software).
• Illustrate physical locations and links between items.
• Respond to and resolve incident tickets.
• Draft and implement standard network change requests.
• Coordinate with external Configuration Management stakeholders.
• Coordinate network operations, maintenance, repairs, or upgrades.
• Configure and troubleshoot layer 2 switching (VLANs, Port Security, Thin Configs).
• Maintain network baselines per DISA STIG guidelines.
• Provide network mapping and documentation support to CM team.

Skills

Network troubleshooting

Incident response

Technical documentation

Cross-team coordination

Analytical thinking

Tools

Cisco IOS

Juniper JUNOS

Visio

ServiceNow

Confluence

Network Node Manager (NNM)

Riverbed

Job description

Leidos is seeking a Tier II / Configuration Management Network Technician to support LAN/WAN devices, maintain configuration baselines, and coordinate network changes. The role emphasizes TS/SCI with poly, DoD 8570 IAT Level 2 compliance, and active involvement across CM stakeholders.

The position focuses on detailed documentation, network mapping, and troubleshooting across Cisco/Juniper environments, with strong emphasis on Layer 1–3 operations and standard change procedures.