## Standard Job Description This position supports the stable operation and maintenance of Linux infrastructure across on-premises data centers. The engineer executes established maintenance procedures, configures systems to standards, and resolves routine system-level issues to ensure high availability and compliance. Work is performed within defined frameworks, with escalation paths for complex problems. Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. ## Basic Qualifications * Understanding of progressive system administration and management of Linux-based servers and workstations in enterprise environments (RHEL, Ubuntu, etc.) * Proficiency in shell scripting and automation using Bash, Python, or Perl to streamline deployment, configuration, and routine operations * Understanding of user/group permission management, filesystem administration, and storage integration (NFS, SAN, etc.) * Understanding of networking fundamentals (TCP/IP, DNS, DHCP, VLANs, firewalls) * Awareness of system security hardening, patch management, and compliance with frameworks such as CIS, NIST, or SCAP * Awareness of configuration‑management tools (Ansible, Puppet, Chef, or SaltStack) and monitoring/observability stacks (Prometheus + Grafana, PRTG, Aria) * Awareness of kernel parameters, performance bottlenecks, and resource utilization in multi‑node or clustered setups ## Desired Skills * Active Secret clearance * 5+ years of progressive system administration experience managing Linux-based servers and workstations in enterprise environments (RHEL, Ubuntu, etc.) * Advanced proficiency in shell scripting and automation using Bash, Python, or Perl to streamline deployment, configuration, and routine operations * Deep expertise in user/group permission management, filesystem administration, and storage integration (NFS, SAN, etc.) * Strong grounding in networking fundamentals (TCP/IP, DNS, DHCP, VLANs, firewalls) and ability to troubleshoot connectivity and performance issues across Linux hosts * Proven track record in system security hardening, patch management, and compliance with frameworks such as CIS, NIST, or SCAP * Hands‑on experience with configuration‑management tools (Ansible, Puppet, Chef, or SaltStack) and monitoring/observability stacks (Prometheus + Grafana, PRTG, Aria) * Demonstrated ability to tune kernel parameters, analyze performance bottlenecks, and optimize resource utilization in multi‑node or clustered setups * Relevant advanced certifications (RHCA, LFCS, CKAD, RHCE) or a track record of publishing technical blogs, whitepapers, or conference talks on Linux systems engineering * Background in containerization and orchestration (Docker, Kubernetes, OpenShift) and integrating Linux hosts into modern CI/CD pipelines and GitOps workflows * Advanced proficiency in infrastructure‑as‑code and automation at scale using tools like Ansible Tower for configuration management and program-wide deployments Pay Information Full-Time Salary Range: $88100.00 - $163700.00 At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally. The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability. * Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics. * For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.