Software Engineer III

Gnostech, LLC

San Diego (CA)

On-site

USD 125,000 - 175,000

Full time

14 days+

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Job summary

A leading defense contractor is looking for a skilled Software Engineer III to support critical Navy and Marine Corps programs. This full-time role involves software maintenance, development, and cybersecurity compliance, requiring substantial industry experience in a DoD setting. Candidates must have a Master’s degree and extensive experience with modern software development methodologies.

Qualifications

10+ years of software engineering experience, preferably in a DoD environment.
Experience with agile and DEVOPS methodologies.
Knowledge of DISA STIGs and patch management.

Responsibilities

Maintain and update system software and firmware.
Develop and test automation scripts for patch deployments.
Assist in system hardening and compliance with DoD standards.

Skills

Software Engineering

Systems Engineering

Agile Methodologies

Linux Administration

Windows Administration

Scripting

Documentation Skills

Cybersecurity Compliance

Education

Master’s degree in a quantitative field

Job description

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Gnostech, LLCis seeking a skilled Software Engineer III to support the Navy and Marine Corps (NAVWAR/NIWC Pacific) Meteorology and Oceanography (METOC) In-Service Engineering (ISEA) Programs. This role will support software maintenance, development, integration, and cybersecurity compliance for fielded systems, lab assets, and Engineering Development Models (EDMs) under the METOC CB-ISEA program. The ideal candidate will be responsible for maintaining system software, applying and testing security patches, managing documentation, and assisting with certification and accreditation (C&A) processes in compliance with DoD cybersecurity standards.

Overview

Location

San Diego, CA. Hybrid or remote work is not authorized

Job Title

Software Engineer III

Salary

$125,000 - $175,000

Shift

Travel

Yes, may involve several Contiguous United States (CONUS)/Outside Continental United States (OCONUS) trips as required.

Position Responsibilities

Maintain and update system software and firmware, including integration, version control, and OS/application upgrades.
Develop and test automation scripts for patch deployments; build, verify, and distribute software media.
Perform software testing and validation; create and maintain system manuals, test plans, and version documentation.
Review and validate software change requests; support troubleshooting and ensure proper configuration tracking with CM staff.
Identify, implement, and test security patches and configurations; manage vulnerability scans, mitigations, and system updates.
Assist in system hardening, STIG compliance, and C&A package preparation, including risk assessments and documentation.

Minimum Security Clearance

Current active Secret Clearance

Required Qualifications And Skills

10+ years of software engineering or systems engineering experience, preferably within a DoD or government environment
Experience with applying modern software development methodologies (e.g. agile, DEVOPS/DEVSECOPS) in a professional or academic setting.
Experience with Windows and/or Linux system administration and scripting
Experience with DISA STIGs, patch management, and DoD cybersecurity requirements
Experience with software version control systems and issue tracking tools
Agile Developer certification or Certified Scrum Developer certification
DoD 8570 IAT Level II, Security+ CE or equivalent

Desired Skills

Strong documentation and communication skills

Education And Training Required

Master’s degree in a quantitative field such as engineering or mathematics (e.g. Electrical Engineering, Computer Engineering, Computer Science, Information Technology, or Information Systems)

Minimum Years Of Experience

10+ years of software engineering or systems engineering experience, preferably within a DoD or government environment

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Gnostech LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, or disability status. For more information, please visit www.eeoc.gov.

If this position requires a government clearance, the applicants selected will be subject to a government security investigation and must meet eligibility requirements for accessing classified information.

Seniority level