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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Administrator - **Company:** Parsons Corporation - **Location:** Boulder, CO, United States (Remote available) - **Experience:** Expert - **Salary:** $112,000.0 - $196,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Agile Methodology, Artificial Intelligence, Amazon Elastic Compute Cloud, Amazon S3, Data Analysis, Software Applications, Confluence, JIRA, Backup Devices, Cloud Computing, Configuration Management, Software Documentation, Cyber Security, Computer Networks, Dynamic Host Configuration Protocol, Linux, Perl (Programming Language), Ethernet, VMware ESX Servers, Python (Programming Language), Network Troubleshooting, Linux Servers, Windows Servers, Networking Basics, Routing, OpenShift, Red Hat Enterprise Linux, Ansible, Security Content Automation Protocol, Security Information and Event Management, Software Requirements Analysis, Virtual Machines, Virtualization Technology, Visual Systems, VMware Virtualization, VMware VSphere, Network Routers, Scripting, Load Balancing, Firewalls (Computer Science), SC Clearance, Containerization, Kubernetes, Information Technology, Vcenter, Bare Metal, Puppet, Docker - **Published:** October 29, 2026 - **Apply:** https://www.builtincolorado.com/job/senior-system-administrator/11988984?handler=ApplyRedirect ## About the Role * Active Secret DoD Security Clearance with ability to obtain and/or maintain a TS/SCI * 12+ years of experience, with additional education, training, and certifications able to count towards total years of experience * Bachelors degree, with additional years of experience able to count in lieu of a degree. Additional flexibility pending Customer approval. * Current Security+ Certification or equivalent IAT Level II or III certification * Experience with Red Hat Enterprise Linux and the Microsoft Windows operating systems administration. * Experience with administration and troubleshooting of virtualized and bare metal platforms (Virtual Machines, Containers, Other). * Experience with Windows Active Directory domains and Windows server administration. * Familiar with VMware vSphere/ESXi. * Experience with adding, removing, and updating Red Hat RPMs. * Understanding of network fundamentals (IP, Ethernet). * Experience with virtualized operating system concepts and administration. * Working knowledge of security assessment/compliance products (HBSS, ACAS, OpenSCAP, ePO, SCC). * Must be able to work in a production/operational environment. * Strong troubleshooting skills. * Strong interpersonal and customer service skills. What Desired Skills You Might Bring: * Two or Four year Degree in IT discipline preferred. * Red Hat Certified System Administrator (RHCSA) * Microsoft Certified Solutions Associate Certification (MCSA) * Experience with audio/visual systems. * Experience with KVMoIP systems. * Experience with working with a Security Information and Event Management (SIEM) tool to monitor system alerts (Elastic preferred). * Working knowledge of the following technologies or equivalent: Linux, Docker, Kubernetes, Kickstart, DHCP, Ansible, SDN, RPM. * Working knowledge of automation tools (Chef, Puppet, Ansible, Other) * Experience within an Agile framework environment. * Working knowledge of security assessment/compliance products (HBSS, ACAS, OpenSCAP, ePO, SCC, STIGs, STIG Viewer). * Experience with system automation and configuration management. * Experience with JIRA, DI2E, and Confluence. * Working knowledge of complete hardware stack: rack, power, compute (CPU and GPU), storage (NAS, SAN, Scale-out, and Object), network (switches, routers, load balancers, and firewalls), workstation, and display. * Intermediate knowledge of RHEL administration (RHEL 8 and above). * Management of virtualization, cloud, and container technology (VMware workstation/vSphere/vCenter/ESXi, AWS EC2/S3/Glacier, Docker/Kubernetes/OpenShift). * Fluent in one or more of the following scripting areas: Shell, Python or Perl. ## Description Provides onsite Tier I systems administration in Red Hat and Windows environments, including Active Directory, virtualization, hardware, storage, troubleshooting, monitoring, account administration, software updates, and system installations. Supports classified and unclassified IT and audiovisual events, analyzes cyber reports, and maintains reliable computer infrastructure. Requires extensive systems administration experience, Security+ certification, a degree or equivalent experience, and an active security clearance, with preferred expertise in automation, cloud, containers, SIEM, scripting, and configuration management. The summary above was generated by AI In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovative culture that empowers you to achieve your full potential. Unleash your talent and redefine what's possible., Parsons is looking for a sharp Systems Administrator to join our growing team! Work Shift: * Sunday - Thursday 9 AM - 5 PM Mountain Time * Required to work Federal Holidays with OT (if this does not fall withinyour normal work schedule) Mountain Time What You'll Be Doing: * Provide Onsite Tier I systems, hardware, application, and storage administration support in a primarily Red Hat environment with Active Directory. * Monitor system for anomalies or issues requiring attention or escalation. * Perform initial troubleshooting of system issues. * Augment current Tier 1 support by facilitating vendor onboarding, account creation, password resets, and software updates. * Provide IT and Audio-Visual support for classified and unclassified lab events, demonstrations, meetings, and symposiums. * Responsible for the maintenance, configuration, and reliable operation of computer systems, and virtualization-based hardware and software. * Implement technical hardware and software solution to meet system requirements. * Generate, review, and analyze manual and automated cyber reports. * Assist in system and equipment installation, verification, and check-out., Administer Linux/RHEL systems across multiple classified networks and government contracts. Responsibilities include account and permission management, patching, monitoring, configuration management, system hardening, security logging, vulnerability remediation, troubleshooting, release testing, documentation, vendor coordination, and system enhancement. The role requires independent problem-solving, coordination with engineering and cybersecurity teams, occasional after-hours work, and maintenance of systems subject to strict government information-security requirements. Top Skills: AnsibleDcid 6/3Icd 503JafanJsigKubernetesLinuxNas StorageNetapp OntapNispomPuppetRaidRed Hat SatelliteRhelRmfSharepointStigTanzuTrusted Guard Parsons Corporation, Designs, develops, and maintains multi-site communications network infrastructure. Manages accounts on physical and virtual machines, troubleshoots hardware, software, and networking issues, builds virtual machines, administers Windows and Linux servers, and maintains system documentation, monitoring reports, and logs. The role also performs server hardening, backups, STIG and SCAP compliance activities, routing and switching, firewall integration, and requires an active Secret clearance at Ramstein Air Base in Germany.