Infrastructure / DevOps Engineer - Linux SysAdmin / Forward Deployed

Field Applications EngineerTactical Defense Technology & Secure Systems AgileDefense Software Firm$140,000-$165,000 + benefitsThe CompanyA high-growth defense tech pioneer creating advanced real-time situational awareness and electronic warfare platforms.Their intelligence-led software enables national security forces to seamlessly track critical assets and coordinate operations in extreme, GPS-denied environments.They combine the fast-paced agility of an early-stage company with robust, enterprise-backed scaling and resources.Why Join?Step into a relaxed, highly collaborative culture where engineers are treated with complete trust and autonomy.Enjoy massive work-life balance, when you are not onsite for active test cycles, you are working 100% remotely.Avoid corporate bureaucracy and legacy codebases; build, deploy, and scale complex containerized software from the ground up.We invest deeply in our people, offering an industry-leading benefits package that is highly competitive.The RoleA technical, hands-on role where you will:Serve as the critical onsite technical authority inside secure facilities (SCIFs), maintaining the health and stability of edge deployments.Manage, upgrade, and configure production software and hardware across multi-week customer testing cycles.Diagnose and troubleshoot system anomalies under air-gapped constraints by analyzing complex system and application logs.Build and deploy automated installation procedures to ensure consistent reliability across software upgrades.Act as the essential loop, feeding technical onsite operational insights directly back to core software engineers.The Essential RequirementsMust be a U.S. Citizen with full eligibility to obtain and maintain a U.S. Security Clearance.Strong hands-on experience administering and configuring Red Hat Enterprise Linux (RHEL) systems.Demonstrated history hardening production operating systems using DISA STIGs and DoD security regimes.Proficient writing automation scripts and configuring deployment plays with Ansible, Bash, or Python.Ability to drive locally to customer locations in Waldorf, MD for test events (estimated local travel 25% to 50%).What Will Make You Stand OutActive U.S. Secret or TS/SCI security clearance.Experience monitoring and troubleshooting Kubernetes cluster lifecycles.Familiarity with cloud-native deployment automation using Terraform.If you are interested in this role, please apply with your resume through this site.DisclaimerNo terminology in this advert is intended to discriminate on the grounds of age, sex, race, religion or belief, disability, pregnancy and maternity, marriage and civil partnership, sexual orientation, gender, and/or gender reassignment, and we confirm that we are happy to accept applications from anyone for this role. Attis Global Ltd operates as an employment agency and employment business. More information can be found at attisglobal.com.Keywords for Search (SEO)Field Applications Engineer, FAE, Linux Systems Administrator, Systems Engineer, RHEL, Red Hat, Linux Support Engineer, Security Hardening, DISA STIGs, Ansible, Python Scripting, Bash Scripting, Kubernetes Troubleshooting, Waldorf, Maryland, Defense Tech.