Senior Linux Engineer — Enterprise Systems & Security

International Executive Service Corps; Washington (District of Columbia); Hybrid; USD 100,000 - 140,000; Full time

Job summary

NuAxis is seeking a Linux Engineer 3 to join our full-time team in a large enterprise IT environment. The role focuses on deploying and securing Linux/UNIX infrastructure, with emphasis on network services, DNS, and security practices across a government-scale setting.

The ideal candidate will bring leadership experience and hands-on expertise in deploying and maintaining complex networks, IPv4/IPv6, and DNS/DNSSEC technologies, ensuring robust, secure operations for federal IT solutions.

Qualifications

• 3 years in a technical leadership or supervisory role.
• 4 years of experience with UNIX/Linux operating systems and TCP/IP protocols in large client/server environments.
• 4 years of experience administering DNS, DNSSEC, and related technologies.
• 4 years of experience securing large-scale enterprise networks.

Responsibilities

• Deploy and support enterprise Linux/UNIX infrastructure in client/server environments.
• Administer UNIX/Linux OS and TCP/IP networking (IPv4/IPv6).
• Maintain DNS services, DNSSEC, and related security technologies.
• Provide technical leadership and supervise infrastructure operations.
• Troubleshoot complex network issues and implement solutions.

Skills

Linux

Networking

DNS

DNSSEC

Security

Leadership

Job description

NuAxis is seeking a Linux Engineer 3 to join our full-time team in a large enterprise IT environment. The role focuses on deploying and securing Linux/UNIX infrastructure, with emphasis on network services, DNS, and security practices across a government-scale setting.

The ideal candidate will bring leadership experience and hands-on expertise in deploying and maintaining complex networks, IPv4/IPv6, and DNS/DNSSEC technologies, ensuring robust, secure operations for federal IT solutions.