Sigma Defense

Software-driven CJADC2 and C5ISR systems

Application Systems Integration Engineer 2

System AdministrationConfirmed live in the last 24 hours

Full-timeSan Diego, CA, USA$75k - $115k /yrIn-person

About the Job

Requirements

Three to ten years of relevant experience.
Experience with Terraform or other Infrastructure as a Service or Infrastructure as Code technologies.
Experience integrating tactical data feeds.
Experience with multicast video.
Must be a U.S. citizen.
Must hold Security+ CE or CISSP certification.
Must hold at least one operating system or platform certification in Linux, Windows, VMware, or Cisco.
Must possess or be able to obtain an active Secret security clearance or higher.
Must have a bachelor's degree from an accredited college or university.

Responsibilities

Identify areas for improvement, innovation, and simplification, and lead execution of plans to address them.
Elaborate on integration requirements initially gathered by the Application Engineer.
Act as liaison between Network POR Systems Engineering/testers and the application provider.
Develop integration solutions and prepare Network POR design documentation, including HACSIM (CANES), with updates and development of HACSIM pre- and post-tests and fleet HACSIM updates.
Support application and system testing in the lab and mitigate integration issues.
Participate in technical reviews and assist in developing or revising specifications, Specification Change Notices, Ship Change Documents, Requests for Changes, Engineering Change Notices, Fleet Readiness Certification Boards, and Field Changes.
Maintain and validate engineering mockups of tactical network systems.
Document repeatable processes and procedures for integrations.
Work on integration points including Active Directory, OpenAM, Microsoft Exchange, VMware, AWS, OpenShift, Microsoft Systems Center solutions, System Incident and Events Management, IIS, JBOSS, Cisco Integrated Services Engine, and Group Policy Management.
Automate processes using PowerShell and Ansible, and use Git/BitBucket for script and configuration data management.
Work on the Continuous Integration/Continuous Delivery of the CANES Hosted and Connected Systems Integration Manual (HACSIM), a complex product.

1788 - Application Systems Integration Engineer II

Sigma Defense · San Diego, United States · Full-time · Posted 2026-10-29

Salary: USD 75,000–115,000

Workplace: on_site

Department: IMS (IMSENG, IMSPRG, IMSNM, IMST&R)

Description

Sigma Defense is seeking an Application Systems Integration Engineer II 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.x

Requirements

3 - 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: $75,000 - $115,000 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

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About the Company

Sigma Defense

Software-driven CJADC2 and C5ISR systems

Sigma Defense provides software-driven solutions that improve military communications and decision-making. It specializes in integrating advanced technologies, data analytics, and communication networks to create interoperable systems that share real-time information across all military services and agencies. Its CJADC2 focus means it bridges legacy systems with modern technology to speed access to data and enhance decision-making through sensor analysis and strong network security. The portfolio includes C5ISR, SATCOM, and DevSecOps, and features a Tactical Relay System (a U.S. Government Program of Record) that transports and distributes tactical ISR data. The company uses DevSecOps to enable rapid, secure deployment of capabilities to front-line users, with a team of veterans and technologists developing hardware and software solutions to improve decision quality, speed, and certainty in military operations.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: Warner Robins, GA
Founded: 2006

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