Senior Network Engineer

About the role

Amentum is seeking a Senior Network Engineer to support a U.S. Government contract on Diego Garcia. The role involves senior‑level design, implementation, and maintenance of Cisco‑based WAN/LAN infrastructure while ensuring compliance with performance and security requirements.

Key responsibilities

• Provide senior engineering for Cisco WAN/LAN networks and oversee a technical team.
• Implement best‑practice standards, conduct capacity planning, and maintain network security.
• Ensure compliance with the Performance Work Statement, U.S. Government, and international guidelines.
• Provide 24/7 on‑call support as required.

Required profile

• Bachelor’s degree in Computer Science, Engineering, or related field, or equivalent experience.
• Minimum five years of experience with large, mission‑critical Cisco WAN/LAN environments.
• At least three years in a leadership role in an austere OCONUS setting with a multinational workforce.
• U.S. citizenship, ability to obtain a Secret clearance, valid passport, and driver’s license.

Required skills

• Cisco networking (WAN/LAN)
• CISSP certification
• SecurityX certification
• CCNP Security certification
• Network capacity planning
• Network security principles