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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # System Administrator / Tier II Support - **Company:** Arcfield, Inc. - **Location:** Greenwood Village, CO, United States - **Experience:** Experienced - **Salary:** $68,813.0 - **Contract:** Permanent contract - **Skills:** Multitier Architecture, Microsoft Windows, Active Directory, Backup Devices, Bash Shell, VoIP, Configuration Management, Cyber Security, Dynamic Host Configuration Protocol, Linux, Firmware, Monitoring of Systems, Hyper-V, Issue Tracking Systems, Python (Programming Language), Linux System Administration, Network Protocols, Password Management, Windows PowerShell, Security Software, TCP/IP, Virtualization Technology, Network Routers, Firewalls (Computer Science), Usage Tracking, Computer Equipment, Information Technology, Cybercrime, User Accounts, Vmware - **Published:** July 14, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9030340/system-administrator-tier-ii-support ## About the Role The ideal candidate is a problem-solver with strong communication skills and a deep understanding of IT operational processes who thrives in a fast-paced environment where they can balance both user support and infrastructure management. The candidate should be able to work independently and/or with minimum guidance., * 2 to 4 years of experience with BS/BA or 0 to 2 years with MS/MA or 8-10 years of experience with HS. * DoD Approved 8570 - IAT Level II certification (e.g., Sec+, CISSP, etc.) * Must possess and have the ability to maintain an active Top Secret/SCI Clearance with Polygraph. * Understanding of Linux system administration * Strong understanding of desktop hardware troubleshooting. * Proficiency with Windows operating systems. * Understanding of information security best practices. * Knowledge of Active Directory, Office administration, and email Exchange systems. * Knowledge of virtualization technologies (e.g., VMware, Hyper-V). * Familiarity with networking protocols (e.g., TCP/IP, DHCP) and hardware (e.g., routers, firewalls, switches). * Basic knowledge of scripting and automation (PowerShell, Bash, Python). * Exceptional problem-solving, analytical, and multitasking abilities. * Clear and effective written and verbal communication skills, with a service-oriented attitude. * Ability to work independently Physical Demands: * Ability to lift and carry IT equipment weighing up to 50 lbs. * Availability for on-call support as needed, including occasional after-hours and weekend support. * Willingness to travel to additional office locations. (travel 10% or less of time) * Flexible hours with 9/80 schedule that covers core hours of 9:00AM to 3:00PM Desired Skills and Competencies: * Experience with Linux system administration, with corresponding Linux certification. * Experience with Voice over IP phone systems. * Experience with Microsoft On-Premise Software Center Configuration Management ## Description System Administrator / Tier II Support is a hybrid role that blends technical support for end-users and the administration of IT systems. This position is responsible for ensuring smooth day-to-day operation of IT services, providing frontline technical support to end-users, and managing the organization's IT infrastructure. The individual will troubleshoot technical issues, perform routine maintenance, and implement system upgrades to ensure optimal performance and security., * Serve as a point of contact for IT support requests, responding to incoming inquiries via phone, email, ticketing system, or in person. * Diagnose and resolve hardware, software, and network-related issues for desktops, laptops, and printers. * Install, configure, and update end-user operating systems, applications, and security software. * Provide onboarding support, including setting up and configuring devices, user accounts, and email systems for new employees. * Educate and train end-users on basic technology tasks such as password management, data backup, and software usage. * Document help desk tickets, issue resolutions, and repetitive problems to enable efficient troubleshooting and to inform future preventative measures. * Escalate unresolved issues to senior IT staff or vendors when necessary. * Maintain a positive customer-service approach to problem-solving and issue resolution. * Install, configure, and maintain IT infrastructure. * Manage Active Directory, group policies, and user accounts, ensuring appropriate access permissions. * Monitor system performance and ensure high levels of availability and reliability. * Plan and apply system upgrades, patches, and firmware updates to maintain compliance and security standards. * Monitor and respond to security vulnerabilities or incidents, ensuring systems are protected from breaches or cyber threats. * Work with internal teams and external vendors to implement new IT initiatives, projects, or solutions. * Maintain inventory of hardware and software assets. ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Getting under the skin: The Social Engineering techniques](https://www.wearedevelopers.com/videos/38-getting-under-the-skin-the-social-engineering-techniques) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)