System Administrator (Lexington)

Systems Administrator – Secure Resilient Systems & TechnologyPosition OverviewWe are seeking a high-quality, energetic Systems Administrator to support innovative research and development initiatives addressing critical national security challenges. This role operates within the Secure Resilient Systems and Technology group, a multidisciplinary team of engineers, scientists, and security architects passionate about solving complex, real-world problems.You will play a hands-on role across the full R&D lifecycle—supporting developers and researchers, implementing secure systems, and transitioning solutions to DoD and Intelligence Community users.Work LocationHybridOnsite presence required at least 60% of the timeClearanceInterim clearance sufficient to startEducation RequirementBachelor's Degree (Required)Required Qualifications (Must Have)ExperienceAbility to collaborate with internal teams (developers, administrators, IT security, data personnel): 8 yearsDevOps best practices: 5 yearsManaging or operating containers: 5 yearsOperating systems (Linux, macOS, Windows): 8 yearsSoftware Development Life Cycle (SDLC) knowledge: 5 yearsAutomation & ProvisioningKickstart, RHEL Satellite, or Foreman provisioning automation: 3 yearsAnsible Automation Platform (Linux systems support): 6 yearsProgramming & ScriptingAnsible, Docker, AWS, CloudFormation, YAML scripting: 6 yearsScripting languages (Perl, Python, Shell, PowerShell): 5 yearsDevSecOps & CI/CD ToolsDevSecOps environments (GitHub, JFrog, Jenkins, GitLab, Fortify, Docker, Kubernetes, etc.): 5 yearsDevelopment tools (Eclipse, Maven, Git, GitHub, JIRA, Jenkins, Puppet, etc.): 5 yearsSystems & HardwareApple Macintosh systems administration: 7 yearsApple product lines: 6 yearsDell & Apple hardware platforms: 6 yearsMulti-OS technical depth (Windows, Linux, macOS): 8 yearsInfrastructure & NetworkingDNS, DHCP, Proxy, and Load Balancing technologies: 5 yearsVirtualization technologies (VMware, ESXi, vCenter configuration): 3 yearsProductivity ToolsMicrosoft Office (PowerPoint, Word, Excel): 3 yearsPreferred Qualifications (Nice to Have)Systems & DevelopmentEmbedded development toolchains and build environmentsDevelopment experience on Linux platformsSystem programming languages (C, C++, Rust, Go)SecurityDoD security hardening and compliance (CMMC, RMF, STIGs)Cloud & DevOpsAWS services (EC2, S3)CI/CD pipeline tools (GitHub Actions, Jenkins, Ansible)Systems AdministrationAdministering classified Linux and Windows systemsApache-based application administrationCentralized logging and audit configurationEnterprise monitoring and alerting systemsActive Directory, LDAPSCCMRelational databases (Oracle, SQL Server, PostgreSQL)Virtualization & StorageVM lifecycle management, snapshotsSANs and iSCSI storage systemsVMware ESXi and associated management systemsKey ResponsibilitiesProvide user-focused desktop and systems support for developers and researchersServe as first point of contact for technical issuesInstall, maintain, troubleshoot, and support software and servicesConfigure desktops, applications, and development toolsCollaborate closely with project teams to solve complex technical problemsRecommend new hardware and software technologiesApply and maintain secure system baselinesTrack system lifecycle, upgrades, and replacementsCreate and manage administrator and service accountsAutomate tasks using scripts and configuration management toolsEnsure ongoing security compliance and remediate scan findingsSupport offline and classified networks and systemsInteract with vendors and internal service providersMaintain documentation and system performance tuningWork effectively in a small, agile team environmentCommunicate findings clearly to internal and external stakeholdersPerform additional duties as assignedInterview ProcessInitial Zoom interview with the hiring managerPanel interview with additional team members (if advanced)Why Join UsWork on mission-driven technology that truly mattersCollaborate with top engineers and researchersParticipate in all phases of cutting-edge R&DInnovate in a fast-moving, hands-on environmentMake a measurable impact on national security outcomes