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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Tier 1 Systems Administrator - Tuesday-Saturday & Holidays - **Company:** Parsons Corporation - **Location:** Boulder, CO, United States - **Salary:** $74,800.0 - $130,900.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Agile Methodology, Amazon Elastic Compute Cloud, Amazon S3, Software Applications, Confluence, JIRA, Cloud Computing, Configuration Management, Computer Networks, Dynamic Host Configuration Protocol, Linux, Perl (Programming Language), Ethernet, VMware ESX Servers, Networking Hardware, Python (Programming Language), Windows Servers, Networking Basics, Network Administration, OpenShift, Red Hat Enterprise Linux, Ansible, Security Information and Event Management, Software Requirements Analysis, Virtual Machines, Virtualization Technology, Visual Systems, VMware Virtualization, VMware VSphere, Network Routers, Load Balancing, Firewalls (Computer Science), Containerization, Kubernetes, Information Technology, Vcenter, Bare Metal, Puppet, Network Server, Docker - **Published:** August 20, 2026 - **Apply:** https://parsons.wd5.myworkdayjobs.com/Search/job/US---CO-Boulder/Tier-1-Systems-Administrator---Tuesday-Saturday---Holidays_R185081 ## About the Role * Active Secret DoD Security Clearance with ability to obtain and/or maintain a TS/SCI * 0+ 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. * Previous experience working on network devices. * 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. * Familiarity with network administration of routers, switches, and firewalls. * 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 * Provide Onsite Tier I systems, hardware, network, 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, network servers, 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. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [DevOps Engineer Salary [2023]](https://www.wearedevelopers.com/magazine/203-devops-engineer-salary-2023) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)