--- title: Application Systems Integration Engineer III description: Sigma Defense Systems is hiring for the Application Systems Integration Engineer III role in San Diego, CA. See the full description and apply. type: job url: https://www.foundrole.com/jobs/application-systems-integration-engineer-iii-at-sigmadefense-01a187fa-bc64-7b4d-b9e1-450aeec571c6 date: 2026-11-15T17:42:40Z og_description: Join Sigma Defense Systems as Application Systems Integration Engineer III in San Diego, CA. Pays $120K–$150K per year. Full-time role. og_image: https://www.foundrole.com/og/43dxkq.png breadcrumbs: - label: Home url: https://www.foundrole.com/ - label: Search url: https://www.foundrole.com/jobs --- | | | |---|---| | **Company** | Sigma Defense Systems | | **Location** | San Diego, CA | | **Salary** | $120K/yr - $150K/yr | | **Type** | Full Time | | **Posted** | Oct 29, 2026 | ## Is this job real? **Ghost job check:** A · Low risk. Probably a real opening. ## Visa sponsorship - **H-1B:** No H-1B sponsorship on record for Sigma Defense Systems. - **E-Verify:** No E-Verify enrollment on record for Sigma Defense Systems. ## Pay for similar jobs Most similar jobs pay $126,000 – $178,000 a year (median $143,000). ## Description ![](https://workablehr.s3.amazonaws.com/uploads/photos/31138/1086fb6ad7158f1f135e80f620c1cef3.jfif) Sigma Defense is seeking an **Application Systems Integration Engineer III** to join our team in San Diego, CA. The Integration Engineer (IE) is responsible for providing detailed integration solution analysis during the ASI Process. ***Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.*** **Requirements** - 5 - 10 years of relevant experience. - Experience with Terraform or other Infrastructure as a Service or Infrastructure as Code (IaaS/IaC). - Experience with integration with tactical data feeds. - Experience with Multicast video. - Must be a U.S. citizen. **Mandatory Certifications:** - Security+ CE or CISSP - At minimum one of the following operating system/platform certifications: * Linux * Windows * VMware * Cisco **Computer Programs/Software:** - OpenShift - Cisco - VMWare - Windows - Linux - Ansible - PowerShell - Python **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.* **Education Requirements:** - Bachelor's degree from an accredited college or university. **Essential Job Duties (not all-inclusive):** - Candidate will identify areas for improvement, innovation, simplification and subsequently take the lead on executing on those plans. - Elaboration of integration requirements initially gathered by the Application Engineer. - Act as liaison between Network POR Systems Engineering/tester and application provider. - Develop integration solutions and prepare Network POR design documentation, such as the HACSIM (CANES) to include all updates and development of the HACSIM pre and post test as well as fleet HACSIM updates. - Support application/system testing in lab and mitigate any integration issues. - Participate in technical reviews and assist in development/revision of specifications, Specification Change Notices (SCN), Ship Change Documents (SCD), Request for Changes (RFC), Engineering Change Notices (ECN), Fleet Readiness Certification Boards (FRCB), Field Changes (FCs). - Maintain and validate engineering mockups of tactical network systems. - Responsible for documenting repeatable processes and procedures for these integrations. - Integration points: Active Directory and OpenAM, MS Exchange, VMWare, AWS, OpenShift, MS Systems Center solutions, System Incident and Events Management, IIS, JBOSS, Cisco Integrated Services Engine, and Group Policy Management. - Responsible for automating these processes using PowerShell and Ansible along with Git/BitBucket for script and configuration data management. - Work will comprise the Continuous Integration/Continuous Delivery (CI/CD) of the CANES Hosted and Connected Systems Integration Manual (HACSIM). The HACSIM ASI Automation Tool is a complex product. **Salary Range**: $120,000 - $150,000 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 ## Skills - Microsoft Internet Information Services (Iis) - Amazon Web Services - WildFly (JBoss as) - Event Management - Active Directory - Infrastructure as Code (IaC) - Systems Engineering - Data Management - Multicast Networking - Microsoft Exchange - Python - Git (Version Control System) - Levels of Software Testing - Cisco - Automation - Secret Security Clearance - OpenShift - Certified Information Systems Security Professional - Group Policy (Windows) - Terraform - Mock Ups - Atlassian Bitbucket - Infrastructure As a Service (IaaS) - CI/CD - Windows PowerShell - Ansible - VMware - Auditing - Distributed Directory Information Services - Engineering Change Notice - Technical Documentation - System Testing - Systems Integration - Linux - CompTIA Security+ ## Benefits - Mental Health - Health Insurance - Dental Insurance - Vision Insurance - Life Insurance - Paid Time Off (Pto) - 401(k) Plans - Tax-Advantaged Accounts ## Related - [Engineering jobs](https://www.foundrole.com/careers/engineering?utm_source=ai_markdown)- [Systems Engineering jobs](https://www.foundrole.com/careers/engineering/systems-engineering?utm_source=ai_markdown)- [Systems Engineer jobs](https://www.foundrole.com/careers/engineering/systems-engineering/systems-engineer?utm_source=ai_markdown)- [Browse all companies](https://www.foundrole.com/companies?utm_source=ai_markdown) ## Explore this job market - [California](https://www.foundrole.com/locations/us/california?utm_source=ai_markdown) — 260515 jobs - [Defense and Space](https://www.foundrole.com/sectors/aerospace-and-defense/defense-and-space?utm_source=ai_markdown) — 61184 jobs - [San Diego, CA](https://www.foundrole.com/locations/us/california/san-diego?utm_source=ai_markdown) — 14997 jobs ## Related pages - [California](https://www.foundrole.com/locations/us/california?utm_source=ai_markdown) — 260515 jobs - [Defense and Space](https://www.foundrole.com/sectors/aerospace-and-defense/defense-and-space?utm_source=ai_markdown) — 61184 jobs - [San Diego, CA](https://www.foundrole.com/locations/us/california/san-diego?utm_source=ai_markdown) — 14997 jobs ## Browse - [Companies](https://www.foundrole.com/companies?utm_source=ai_markdown) - [Jobs by country](https://www.foundrole.com/locations?utm_source=ai_markdown) - [Jobs in the United States by state and city](https://www.foundrole.com/locations/us?utm_source=ai_markdown) - [H1B sponsors by location](https://www.foundrole.com/h1b-sponsors?utm_source=ai_markdown) - [H1B salaries](https://www.foundrole.com/h1b-salaries?utm_source=ai_markdown) - [Sectors and industries](https://www.foundrole.com/sectors?utm_source=ai_markdown) - [Jobs by career field](https://www.foundrole.com/careers?utm_source=ai_markdown) - [Latest jobs](https://www.foundrole.com/jobs/latest?utm_source=ai_markdown)