Senior Afloat Network Engineer (CANES, Navy)

Sigma Defense Systems LLC; San Diego (CA); On-site; USD 125,000 - 145,000; Full time

Benefits offered by this job

Dental and Vision Insurance

Medical Insurance (HSA/FSA/DFSA)

Life and AD&D coverage

EAP

401(k) Plan with Company Matching Con­

PTO 160 hours

12 Holidays

Educational Assistance

Highly Competitive Salary

Job summary

Sigma Defense Systems LLC in San Diego, CA, is seeking a Network Engineer IV to deliver advanced afloat C4ISR network engineering, integration, and sustainment for Navy carrier training systems.

The role provides hands-on technical leadership, supports NIWC Pacific and shipboard ITs, and ensures secure network performance during fleet training events and readiness exercises. UI citizenship with clearance expectations applies.

Qualifications

• 3-5 years of network engineering experience.
• Strong network engineering and troubleshooting skills.
• Familiarity with Navy tactical networks and enclaves (NIPR/SIPR/CANES).
• Ability to operate across shipboard, NIWC, and TYCOM stakeholders.
• Clear and effective communication with shipboard ITs and leadership.
• Ability to support occasional underway periods or pier side testing.
• Experience with automation development, scripting, or infrastructure-as-code (e.g. Ansible, Python) is preferred.
• Familiarity with DevSecOps principles and Zero Trust architectures is preferred.
• Must be a U.S. citizen.

Responsibilities

• Maintain, configure, and troubleshoot carrier training tactical hardware and network components.
• Perform system updates, patching, baseline management, and configuration control.
• Support virtualization, enclave routing, cross domain interfaces, and tactical data paths.
• Provide direct technical support to shipboard ITs during Fleet training evolutions.
• Conduct pier side and underway testing of Carrier Training Units.
• Validate system readiness prior to major Fleet exercises and deployment workups.
• Support RMF artifacts, STIG application, HBSS/ACAS compliance, and vulnerability remediation.
• Ensure Carrier Training Units meet Navy cybersecurity and accreditation requirements.
• Support Zero Trust-aligned hardening and secure configuration practices.
• Execute functional and performance tests, regression tests, and interoperability assessments.
• Document findings, track anomalies, and recommend corrective actions.
• Support automated test development where feasible.
• Coordinate with NIWC engineers, shipboard personnel, and TYCOM/Fleet stakeholders.
• Align system updates with fleet schedules, maintenance windows, and CANES baselines.
• Produce technical reports, configuration documentation, and system status updates.
• Provide clear recommendations to leadership on system risks, readiness, and modernization needs.

Skills

Network engineering

Troubleshooting

Navy CANES

Shipboard IT coordination

Python

Ansible

DevSecOps

Education

Bachelor's degree in Network Engineering or related field

Tools

Linux (RHEL)

Windows Server

Cisco IOS/NX-OS

Juniper JUNOS

VMware ESXi

Job description

Sigma Defense Systems LLC in San Diego, CA, is seeking a Network Engineer IV to deliver advanced afloat C4ISR network engineering, integration, and sustainment for Navy carrier training systems.

The role provides hands-on technical leadership, supports NIWC Pacific and shipboard ITs, and ensures secure network performance during fleet training events and readiness exercises. UI citizenship with clearance expectations applies.