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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer III - TACKLE - **Company:** Epsilon Systems Solutions, Inc. - **Location:** San Diego, CA, United States - **Experience:** Experienced - **Salary:** $115,000.0 - $165,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Access, Amazon Web Services, Systems Engineering, Bash Shell, Continuous Integration, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Virtual Private Networks (VPN), Information Systems Security Architecture Professional, Python (Programming Language), Network Security, Lightweight Directory Access Protocols (LDAP), Network Protocols, Platform as a Service (PAAS), Public Key Infrastructure, Scrum Methodology, Role-Based Access Control, Red Hat Enterprise Linux, Ansible, Software Deployment, Software Engineering, Systems Architecture, Systems Integration, TCP/IP, Virtual Machines, VMware VSphere, Network Routers, Scripting, Application Enhancement Tool, Delivery Pipeline, HybridCloud, Firewalls (Computer Science), Gitlab, Containerization, Gitlab-ci, Selinux, Kubernetes, Infrastructure Automation Frameworks, Information Technology, Terraform, Devsecops, Docker, Jenkins, Vmware - **Published:** November 3, 2026 - **Apply:** https://www.jofdav.com/jobs/60394836-systems-engineer-iii-tackle ## About the Role Epsilon C5I (www.epsilonsystems.com/c5i), focused on software development and systems engineering for complex command, control, intelligence and combat systems, is seeking a Systems Engineer III / DevSecOps Engineer, with 4-8 years of experience, for work in San Diego, CA. Our engineering efforts provide the warfighter with common enterprise solutions to improve information sharing and combat effectiveness. If you have a passion for excellence in engineering and enjoy working on challenging projects in a fast-paced, team-oriented environment - read on!, Bachelor of Science degree in Computer Science or related discipline 4-8 (four to eight) years of professional experience involving DevSecOps or Systems Integration Hands- on experience with troubleshooting complex operating systems and networks in a Linux (RHEL) environment Ability to write Bash or Python scripts. Ability to troubleshoot networking problems in a hybrid Cloud (AWS) /on-premise environment. Experience with Virtual Machines (VMWare etc.), RedHat Enterprise Linux (RHEL), GitLab, and AWS Demonstrated experience leveraging AI-powered tools to streamline systems engineering / DevSecOps processes, enhance requirements analysis, optimize system design and integration, and support the efficient delivery of reliable, high-quality technical solutions. Good interpersonal skills and the ability to communicate with all levels of business users and management. Ability to work individually and on team projects in an environment of teamwork and cooperation. Effective written, oral, and presentation skills. Candidates must have the ability to obtain and maintain DoD Secret security clearance. Pursuant to the various government contractual requirements, all applicants must be U.S. Citizens. Preferred Qualifications: Ability to Obtain and Maintain a DoD Top Secret Clearance with SCI Access Familiarity with SELinux and Multi-Level Security architectures Familiarity with containerization technologies like Docker and container orchestration platforms such as Kubernetes Familiarity with CI/CD tools such as Jenkins or GitLab CI/CD including setting up build pipelines, automating testing, and deploying applications. Experience with configuration management tools like Ansible and Terraform Familiarity with network protocols, TCP/IP, DHCP, DNS, VPN, firewalls, and routers. Ability to configure, manage, and troubleshoot networking problems. Familiarity with DNS, LDAP, PKI, and other infrastructure services. Experience implementing access controls (DAC, MAC, RBAC) Experience with Virtual Machines, RedHat Enterprise Linux (RHEL), and vSphere Pay Range: The pay range for this role is $115,000 to $165,000 annually. This is a reasonable estimate for this role. Individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience. ADA Notations: Regular communication (hearing/speaking). Noise conditions range from very quiet to very noisy. Prolonged use of computer (typing/keyboarding). Frequently required to sit for long periods of time, stand, walk, and may occasionally lift and move at least 25 pounds. Ability to travel by car, air or other means of transportation, if required. ## Description Our software team employs an Agile Scrum process to rapidly design, code, and integrate capabilities into a mature Platform as a Service (PaaS) solution. Work involves troubleshooting, securing Linux operating systems and networks, and securing containers and container platforms. The ideal person would be interested in System Architecture and Security, while also interested in the nitty gritty of security and system access control., Secure and troubleshoot Linux (RHEL) systems and networks using access control tools such as SELinux, or others. Work with Security Teams to script/Automate the deployments of network security measures as well as applications and Operating systems. Ideal experience would be in Bash/Python etc. Automate the deployment of new and existing applications. Ability to build and automate security processes Write software to integrate applications.