Windows & Linux Systems Administrator Staff

hackajob is collaborating with Lockheed Martin - US to connect them with exceptional professionals for this role. Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK: The GG System Administrator is a senior level role that blends enterprise system administration (Linux & Windows) with full cycle network engineering, including design, deployment, and support of Arista as well as other vendor platforms. The incumbent will drive automation, security, and DevOps best practices while delivering resilient, high performance infrastructure for mission critical workload System Administration: • Install, configure, and maintain RHEL/CentOS/Ubuntu/Debian servers and Windows Server 2016/2019/2022 instances. • Manage users, groups, Active Directory, and local security principals. • Provision and manage storage (partitioning, LVM, RAID, SMB/NFS shares). • Perform system hardening, patching, and vulnerability remediation in accordance with DoD STIG/CIS baselines. • Monitor performance, tune kernel/OS parameters, and troubleshoot services. Automation and Scripting: • Develop and maintain Ansible playbooks and roles to automate both Linux and Windows workloads (use of WinRM modules). • Write Bash, PowerShell, and Python scripts for routine tasks, incident response, and reporting. • Operate Ansible Tower/AWX for job scheduling, credential management, and audit trails. • Integrate Git version control workflows for infrastructure as code (IaC). Network Engineering: • Design, implement, and troubleshoot enterprise L2/L3 networks (VLANs, routing protocols, QoS, DHCP, DNS). • Arista Specific: Configure Arista EOS switches, leverage CloudVision for centralized provisioning, and automate via eAPI/Ansible modules. • Conduct capacity planning, high availability design, and performance tuning (BGP, OSPF, EVPN, VXLAN). • Implement security controls (ACLs, RADIUS/TACACS, 802.1X, MACsec) and ensure compliance with DoD requirements. Security & Compliance • Enforce DoD 8570 IAT 2 standards; apply DISA STIGs and CIS Benchmarks across hosts and network devices. • Manage secrets, certificates, and role based access controls (RBAC) for both servers and switches. • Perform regular audits, vulnerability scans, and remediation tracking. Collaboration & Communication • Translate technical concepts into clear business value for stakeholders. • Provide Tier 3 support and knowledge transfer to Tier 1/2 service teams. • Document designs, runbooks, and SOPs in Confluence/SharePoint and maintain configuration libraries in Git. WHO WE ARE: The program drives bold analysis, visionary design, relentless development, seamless integration, rigorous testing and swift deployment, iron‑clad securing, cutting‑edge modernization, and steadfast operations‑and‑maintenance (O&M) through to decisive decommissioning of RF and optical capabilities. WHY JOIN US: Your Health, Your Wealth, Your Life Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work. Learn more about Lockheed Martin’s competitive and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work. Learn more about Lockheed Martin’s competitive and comprehensive benefits package. We support our employees, so they can support our mission. RMSGG2026 Basic Qualifications: ● Bachelors degree from an accredited college in a related discipline, or equivalent experience/combined education, with ten (10) years or more of professional experience. An additional five (5) years of experience can be substituted for a degree. Considered an expert, authority in discipline. ● DOD 8570 certification to meet IAT Level 2 requirements ●Possess all capabilities as defined by the GG Statement of work (SOW) Appendix B for the USG standard SA labor category level X. You must possess the requisite security clearance and polygraphs to apply to this position Desired Skills: Container Orchestration: ● Experience with container orchestration tools such as Docker Swarm, Kubernetes, or Apache Mesos ● Understanding of container networking, service discovery, and load balancing Cloud Native Technologies: Familiarity with cloud-native technologies such as cloud providers (AWS, Azure, GCP), container registries (Docker Hub, Google Container Registry), and cloud-based logging and monitoring tools (e.g., ELK Stack, Prometheus) Monitoring and Logging: ● Experience with monitoring tools such as Nagios, Prometheus, or Grafana ● Knowledge of logging tools such as ELK Stack, Splunk, or Logstash CI/CD Pipelines: ● Experience with CI/CD tools such as Jenkins, GitLab CI/CD, or CircleCI ● Understanding of pipeline automation, testing, and deployment Networking and Storage: ● Experience with networking protocols (e.g., TCP/IP, and storage solutions (e.g., SAN, NAS, Ceph) Desired Certifications: RHCE (Red Hat Certified Engineer) RHCSA (Red Hat Certified System Administrator) LFCS (Linux Foundation Certified System Administrator) CKAD (Certified Kubernetes Application Developer) CKA (Certified Kubernetes Administrator) Clearance Level: TS/SCI w/Poly SP Other Important Information You Should Know Expression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings. Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility. Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits. Schedule for this Position: 9x80 every other Friday off Pay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $99,700 - $175,835. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information 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 and business considerations when extending an offer. Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (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. This position is incentive plan eligible. Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration. At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility. If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications. Experience Level: Experienced Professional Business Unit: RMS Relocation Available: Possible Career Area: Systems Engineering: Other Type: Full-Time Shift: Firstaa415a4b-8b21-40fc-a65c-70d2b25ca29a