System Administrator / Tier II Support

Arcfield; Brook Park (OH); Hybrid; USD 85,000 - 125,000; Full time

Job summary

Arcfield is seeking a System Administrator / Tier II Support to deliver frontline IT assistance and manage the organization's IT infrastructure in a hybrid work environment. The role combines user-focused support with hands-on administration of Windows and Linux systems, security monitoring, and routine maintenance to keep services running smoothly.

Ideal candidates have strong troubleshooting, deep knowledge of AD, scripting basics, virtualization, and the ability to work independently or with

Qualifications

• 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 (e.g., Sec+, CISSP, etc.)
• Must possess an active TS/SCI with a Polygraph.
• Proficiency with Windows operating systems and AD.

Responsibilities

• Serve as a point of contact for IT support requests via phone, email, ticketing system, or in person.
• Maintain security posture and perform routine system maintenance.
• Educate end-users on password management, data backup, and software usage.
• Install, maintain, and support a secure Windows and Linux network.
• Diagnose and resolve hardware, software, and network issues on desktops and printers.
• Provide onboarding: devices, user accounts, and email setup for new employees.
• Document tickets and resolutions for future reference and preventative measures.
• Coordinate with internal teams and external vendors on IT initiatives and projects.
• Perform scheduled backups and maintain inventory of assets.
• Manage Active Directory, group policies, and access permissions.
• Monitor security vulnerabilities and ensure protections against breaches.

Skills

Active Directory

Windows OS

Linux system administration

Scripting (PowerShell, Bash, Python)

VMware/Hyper-V

Networking basics (TCP/IP, DHCP)

Security best practices

Troubleshooting

Independent work

Communication

Education

BS/BA in IT or related field

MS/MA in IT (optional)

High School Diploma with extensive IT experience

Tools

Splunk

Nessus

Active Directory management tools

VMware

Hyper-V

Job 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.

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.

Key Responsibilities

• Serve as a point of contact for IT support requests, responding to incoming inquiries via phone, email, ticketing system, or in person.
• Maintain a positive customer-service approach to problem-solving and issue resolution.
• Educate and train end-users on basic technology tasks such as password management, data backup, and software usage.
• Install, maintain, and support a secure Microsoft Windows and Linux network
• Diagnose and resolve hardware, software, and network-related issues for desktops, laptops, and printers.
• Provide onboarding support, including setting up and configuring devices, user accounts, and email systems for new employees.
• Document help desk tickets, issue resolutions, and repetitive problems to enable efficient troubleshooting and to inform future preventative measures.
• Work with internal teams and external vendors to implement new IT initiatives, projects, or solutions.
• Perform scheduled backups on systems.
• Maintain inventory of hardware and software assets.
• Maintain file servers, firewalls, network access, security monitoring systems and system documentation as required.
• Manage Active Directory, group policies, and user accounts, ensuring appropriate access permissions.
• Ensure appropriate security controls are in place that will safeguard digital files and vital electronic infrastructure.
• Monitor and respond to security vulnerabilities or incidents, ensuring systems are protected from breaches or cyber threats.

Required Skills and Competencies

• 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 (e.g., Sec+, CISSP, etc.)
• Must possess an active TS/SCI with a Polygraph.
• Ability to work independently
• Proficiency with Windows operating systems.
• Strong understanding of desktop hardware troubleshooting.
• 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).
• Exceptional problem-solving, analytical, and multitasking abilities.
• Clear and effective written and verbal communication skills, with a service-oriented attitude.
• Basic understanding of scripting and automation (PowerShell, Bash, Python).
• Basic experience with Linux systems

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)

Desired Skills And Competencies

• Experience with Linux system administration.
• Experience with Microsoft On-Premise Software Center Configuration Management
• Experience with Splunk and Tenable Nessus
• Experience with NIST 800-53 security controls

EEO Statement

We are an equal opportunity employer and federal government contractor. We do not discriminate against any employee or applicant for employment as protected by law.