Software Engineer III

Gnostech Inc.; San Diego (CA); On-site; USD 125,000 - 175,000; Full time

Job summary

A technology solutions provider is seeking a Software Engineer III in San Diego, CA. This role involves maintaining and developing software for Department of Defense systems, including ensuring cybersecurity compliance. Candidates should have over 10 years of experience in software engineering, with skills in modern software development methodologies. A Master’s degree in a quantitative field is required. The position offers a salary range of $125,000 - $175,000 and requires a current active Secret Clearance.

Qualifications

• 10+ years of software engineering or systems engineering experience, preferably within a DoD or government environment.
• Experience with DISA STIGs, patch management, and DoD cybersecurity requirements.
• Agile Developer certification or Certified Scrum Developer certification.

Responsibilities

• Maintain and update system software and firmware, including integration and version control.
• Develop and test automation scripts for patch deployments.
• Perform software testing and validation; create and maintain system manuals.
• Identify, implement, and test security patches and configurations.
• Assist in system hardening and C&A package preparation.

Skills

Software development methodologies (agile, DEVOPS/DEVSECOPS)

Windows and/or Linux system administration and scripting

Software version control systems

Strong documentation and communication skills

Education

Master’s degree in engineering or mathematics

Job description

Gnostech, LLC is 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.

Location

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

Job Title

• Software Engineer III

Salary

• $125,000 - $175,000

Shift

• N/A

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)

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.