1699 - Network Engineer IV

Sigma Defense • $125K — $145K *

San Diego, CA 92154In-Person

Aerospace & Defense

Less than 5 years of experience

Today

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Job Overview by Ladders

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.
Effective communication with shipboard ITs and leadership.
Support for occasional underway periods or pier-side testing.
Preferred experience with automation development and scripting (e.g. Ansible, Python).

Responsibilities

Maintain, configure, and troubleshoot carrier training tactical hardware and associated network components.
Perform system updates, patching, and configuration control.
Provide direct technical support to shipboard ITs during Fleet training events.
Conduct pier-side and underway testing of CTU 4 components.
Support RMF artifacts and ensure cybersecurity compliance.
Execute functional and performance tests and document findings.
Coordinate with NIWC engineers and Fleet stakeholders.

Benefits

Dental and Vision Insurance
Medical Insurance with HSA, FSA, and DFSA Plans
Life and AD&D coverage
Employee Assistance Program (EAP)
401(k) Plan with Company Matching Contributions
160 Hours of Paid Time Off (PTO)
12 Floating Holidays
Educational Assistance

Full Job Description

Sigma Defense is seeking a Network Engineer IV to support our team in San Diego, CA.

The Network Engineer delivers advanced afloat C4ISR network engineering, integration, and sustainment for the Navy's carrier training tactical system - a ruggedized component of the CANES architecture used across Fleet units. The role ensures reliable tactical data transport, system interoperability, and secure network performance during Fleet training events and readiness exercises. The engineer supports NIWC Pacific and shipboard ITs by maintaining, configuring, troubleshooting, and modernizing Network hardware and software baselines. Position at the intersection of fleet training and afloat network readiness, the role provides hands-on technical leadership and direct support to operations units preparing for deployment.

Requirements

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.

Candidate Differentiators:

Previous experience supporting CANES, ADNS, CTU4, Fleet training, or afloat training.
Experience with automation, CI/CD pipelines, testing frameworks, or DevSecOps toolchains.
Programming or scripting experience to include Python, Bash and or PowerShell.

Mandatory Certifications:

DoD 8570 IAT Level II (Security +)
CCNA/CCNP

Computer Programs/Software:

Linux (RHEL)
Windows Server
Cisco IOS/NX-OS
Juniper JUNOS
Virtualization (VMware ESXi)

Personnel Clearance Level:

Candidate must possess or have the ability to obtain an active Secret security clearance or higher.
Clearance may be sponsored for the right candidate.
Candidate must hold an active Secret clearance to begin work.
A TS/SCI clearance level is preferred but not required.

Education Requirements:

Bachelor's degree from an accredited college or university in Network Engineering, Computer Science, or related field of study.

Essential Job Duties (not all-inclusive):

Network Engineering & System Sustainment:

Maintain, configure, and troubleshoot carrier training tactical hardware and associated network components.
Perform system updates, patching, baseline management, and configuration control.
Support virtualization, enclave routing, cross domain interfaces, and tactical data paths.

Afloat Integration & Technical Support:

Provide direct technical support to shipboard ITs during Fleet training evolutions.
Conduct pier side and underway testing of CTU 4 components.
Validate system readiness prior to major Fleet exercises and deployment workups.

Cybersecurity & Compliance:

Support RMF artifacts, STIG application, HBSS/ACAS compliance, and vulnerability remediation.
Ensure CTU 4 components meet Navy cybersecurity and accreditation requirements.
Support Zero Trust-aligned hardening and secure configuration practices.

System Testing & Evaluation:

Execute functional and performance tests, regression tests, and interoperability assessments.
Document findings, track anomalies, and recommend corrective actions.
Support automated test development where feasible.

Program Integration & Coordination:

Coordinate with NIWC engineers, shipboard personnel, and TYCOM/Fleet stakeholders.
Align system updates with fleet schedules, maintenance windows, and CANES baselines.

Documentation & Reporting:

Produce technical reports, configuration documentation, and system status updates.
Provide clear recommendations to leadership on system risks, readiness, and modernization needs.

Salary Range: $125,000 - 145,000 annually.

Benefits

Dental and Vision Insurance
Medical Insurance to Include HSA, FSA, and DFSA Plans
Life and AD&D coverage
Employee Assistance Program (EAP)
401(k) Plan with Company Matching Contributions
160 Hours of Paid Time Off (PTO)
12 (Floating) Holidays
Educational Assistance
Highly Competitive Salary

About Sigma Defense

Sigma Defense Careers

Joining Sigma Defense presents an unparalleled opportunity to become part of a leading team of defense solution professionals. This is a prime time for skilled individuals seeking job opportunities that promise both professional growth and a chance to be involved in cutting-edge innovation.

Work You’ll Do

At Sigma Defense, the focus is on empowering some of the most critical defense sectors through advanced technological solutions. The company helps these sectors master their operational challenges with robust, innovative solutions. Sigma Defense stands out in the marketplace, uniquely positioned at the nexus of technology, industry expertise, and digital innovation. This positioning allows the team to lead in the creation and implementation of transformative solutions. Professionals at Sigma Defense work alongside a global team of experts dedicated to excellence in defense solutions, driving leadership in the industry through strategic innovation and superior problem-solving capabilities.

Sigma Defense Job Opportunities

Sigma Defense is building a market-leading team to support and drive digital transformation in defense technology. The company offers a range of career paths from internships to full-time positions, focusing on cultivating leadership and advanced skills in the defense sector.

Innovative Work

Sigma Defense invites professionals to join its ranks, offering job opportunities that engage with the most trusted platforms and technologies in the defense industry. The team at Sigma Defense is known for its depth and breadth of consulting experience and a commitment to innovation that’s second to none.

Be Part of a Great Team

Engage in work that spans a variety of defense technologies and harness the capabilities of a team known for its global scale and collaborative approach. Sigma Defense promotes a culture of diversity and inclusion, ensuring a wide range of perspectives and ideas drive the company’s innovations.

Future-Proof Your Career

Sigma Defense is committed to the professional development of its team members, providing extensive training, development, and certification support. The company offers vast opportunities for career advancement, allowing individuals to reach their full potential based on ambition and performance.

Explore Sigma Defense

Discover how Sigma Defense is leading projects that redefine industry standards and enhance operational efficiencies. From advanced surveillance systems to strategic cybersecurity defenses, Sigma Defense is at the forefront of protecting national and global interests.

The Sigma Defense Experience

Sigma Defense not only offers a compelling array of job opportunities but also ensures that its team members enjoy significant benefits and a supportive work environment. The company values a culture where innovation, leadership, and teamwork are at the heart of every project.

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