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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux (RHEL) Classified Systems Administrator - **Company:** Draper, Inc. - **Location:** Cambridge, MA, United States - **Experience:** Expert - **Salary:** $82,300.0 - $220,000.0 - **Contract:** Permanent contract - **Skills:** Multitier Architecture, Microsoft Windows, Active Directory, Computing Platforms, Linux, IT Management, Intrusion Detection and Prevention, Network Security, Lightweight Directory Access Protocols (LDAP), Linux System Administration, Apache Maven, Windows Servers, Cisco Nexus Switches, NuGet, Red Hat Enterprise Linux, Ansible, Software Deployment, Software Project Management, Network Routers, Caching, Firewalls (Computer Science), Gitlab-ci, Kubernetes, Information Technology, Hashicorp, Nessus, National Industrial Security Program Operating Manual (NISPOM), Firewall Services Module, Veeam, Splunk, Network Server, Wsus, Docker, Vulnerability Analysis, Vmware - **Published:** October 15, 2026 - **Apply:** https://www.dice.com/job-detail/330844ce-6fdf-46d7-874f-7eaf02c61f7f ## About the Role * Knowledge of systems administration or networking administration * Knowledge of LDAP, Active Directory, WSUS, VMware, Veeam (or equivalent), Nessus, or Splunk * Knowledge of security technologies and architecture, including: encryption, network security, firewall configuration, intrusion detection * Proficiency working with Windows operating systems, including Windows 10/Windows Server 2016/2019 * Time management skills * Ability to prioritize and multi-task * Ability to work efficiently and independently with minimal supervision * Self-motivated to meet important deadlines * Knowledge and understanding of one or more of the following regulations: JAFAN 6/9, NISPOM, JSIG, CNSSI 1253, NIST, RMF, and ICD 503, * Bachelor of Science in Information Technology, or related field required * Master's Degree in Information Technology preferred * Security+ certification or higher professional certifications required Experience * 3-5 years experienced in Linux systems administration or networking administration, * 2-3 years building, deploying, and managing containers with rootless Podman (or comparable runtimes). * Expert-level Ansible (playbooks, roles, collections) for large-scale infrastructure. * Hands-on experience with Nexus Repository Manager (Docker, Maven, NuGet, raw). * Knowledge of Packer for immutable image creation (VM, container, cloud). * Production deployment and operation of HashiCorp Vault (dynamic secrets, policies, auth methods). * Design, implement, and maintain robust GitLab CI/CD pipelines (including runners, caching, and security scanning). * Proven experience deploying, managing, and troubleshooting production Kubernetes clusters; comfortable with Helm, custom resources, and networking. * Ability to design and evaluate end-to-end platform architectures, ensuring scalability, reliability, and security across all layers. * Strong Linux administration (systemd, networking, security hardening) and comfort with rootless container environments. * Demonstrated track record of reducing manual toil through code-driven processes and tooling. ## Description We are looking for a seasoned Linux Administrator (RHEL) with experience in system administration, automation, hardening, and platform design. The successful candidate will build, secure, and operate large scale, container centric platforms that enable rapid, reliable software delivery across the organization. This role emphasizes containerization and end to end CI/CD pipelines, with deep expertise in the tools listed below and solid Kubernetes experience., * Support and maintain IT infrastructure systems (e.g. servers, workstations, switches, routers, firewalls, intrusion prevention systems, encryption devices) * Maintain and update documentation, including standard operating procedures, network drawings, and configuration documentation * Conduct reviews and technical inspections to identify and mitigate potential security weaknesses ensure security compliance is implemented and that all necessary systems are functional * Provide resolutions to an assortment of customer defined problems of moderately complex scope using knowledge and resources to diagnose and resolve basic technical issues. Escalate issues that extend beyond Tier II level of support as needed. * Perform software patching, system deployment, license management, hardware and software management, and lifecycle management * Work closely with the Information Assurance group to ensure the system accreditation process is followed including maintenance of standard operating procedures, network drawings and configuration documentation * Coordinate with senior personnel and IT management on all risks impacting IT related services including but not limited to: power outages, environmental changes, natural disasters, employee accident or deliberate acts, maintenance or third party vendor actions * Develops and tests system specifications and requirements by evaluating, verifying and validating technical and functional performance * May provide guidance to junior team members * Performs other duties as assigned