Senior System Administrator

Senior System AdministratorAwetomaton is seeking a Senior System Administrator to keep mission systems reliable and support our customers' daily operations. You will administer Linux servers and supporting infrastructure, monitor application and database health, resolve operational issues, and help modernize established systems.The ideal candidate is an adaptable, dependable administrator who takes ownership of system availability and works well with customers and teammates. Flexibility to support an assigned shift schedule and perform regular onsite weekend health checks is essential to this role. Active TS/SCI security clearance required. We are currently considering candidates with an anticipated December start.Criteria for Success:Reliably cover assigned shifts and complete regularly scheduled onsite weekend health checks, coordinating availability and coverage with the team.Identify degraded services early, resolve issues independently when possible, and escalate with clear diagnostic information when additional support is needed.Adapt to changing priorities and unfamiliar technologies while maintaining reliable daily operations.Keep customers and teammates informed during incidents and provide clear handoffs between shifts.Document procedures and train teammates so critical knowledge is shared and others can support the environment.Required Experience and Skills:Bachelor's Degree in IT field such as Computer Science, Management Information Systems, etc.Ten (10) or more years of experience in systems administration or closely related infrastructure operations.Strong Linux administration skills, including installation, configuration, services, permissions, patching, and log analysis.Experience troubleshooting production issues across servers, storage, networking, and application dependencies.Experience monitoring system health, remediating vulnerabilities, managing backups, and validating recovery procedures.Experience supporting at least one relational database platform, such as Oracle, PostgreSQL, or MySQL, including health checks, backup and recovery, and operational troubleshooting.Ability to document technical procedures, communicate clearly with technical and nontechnical users, and work independently within a coordinated support team.Willingness and ability to work the assigned shift schedule and conduct regular onsite weekend health checks.Desired Education and Experience:A commute of less than 30 minutes from the worksite to support recurring onsite weekend checks.Experience supporting Department of Defense customers or mission systems that operate around the clock.Experience with cloud-native containerized application environments (Kubernetes / etc.).Experience with Elasticsearch sustainment including upgrades and failover.Experience scripting to automate routine Linux administration.Relevant technical education, military training, or industry certifications such as CompTIA Security+.About AwetomatonWe build software that enables humans to make informed decisions from raw intel data, with a specialization in satellite collection. We are a Dayton-based defense startup that believes there is a critical skill & culture gap - one we are filling with high-output, mission focused engineering talent. Results matter to our customers. We've never lost a customer because we deliver what they need. Awetomaton is where you do work that matters with a passionate team in an environment that inspires your creativity.BenefitsWe provide industry leading benefits that balance your health & wellbeing today, as well as lay a solid financial future into retirement. Highlights of our benefit plan include:Flexible time off totaling 36 days / year. No questions asked.100% 401k company match up to IRS annual limits. This is a benefit of up to $24,500 for 2026.Health plan through Blue Cross Blue Shield with Health Savings Account (HSA). We pay 95% of employee premiums including family plans.Employee favorite: Tech and Wellness reimbursement of $3000 / year. Treat yourself with the newest gadgets or athletic gear. No approvals required.Annual profit sharing as 401k contribution. No set percent and dependent on annual company performance. Benefit is above and beyond 401k match.MacBook laptop and well-equipped office spaces for optimal productivity in office and on-the-go.