Systems Admin Sr Adv (TS/SCI with Poly Required)

GCI Incorporated; Virginia (MN); On-site; USD 90,000 - 130,000; Full time

Job summary

GCI Incorporated is seeking a Senior Systems Administrator to manage medium and small program networks, ensuring secure operations across multiple domains. You will perform system admin duties, coordinate with the IA team, and lead vulnerability scanning and remediation in a FedRAMP/GovCloud context.

The role requires US citizenship and an active TS/SCI clearance with Polygraph, and offers opportunities to mentor junior staff while supporting mission-critical IT environments.

Qualifications

• US Citizenship required.
• Active TS/SCI clearance with Polygraph required.
• Experience with NIST 800- series (800-171, 800-53) and FedRAMP in government environments.
• Mentoring junior administrators and potential supervisory oversight is a plus.
• Experience with IT procurement and asset management.

Responsibilities

• Collaborate with peers, customers via Teams, Outlook, and other tools.
• Provide IT customer service, manage accounts and permissions.
• Conduct daily/weekly/monthly system scans and remediation.
• Apply patches and updates to systems and software.
• Attend meetings with support staff and program managers to set priorities.
• Investigate and troubleshoot IT issues.
• Develop and maintain system documentation.
• Install, modify, and repair hardware and software including networking gear.
• Support program logistics, procurement and property accountability.
• Monitor system health, backups, and log reviews.
• Maintain standalone systems with updates and virus definitions.

Skills

Team collaboration

Customer service

Vulnerability scanning

Patch management

Troubleshooting

System documentation

Hardware and software installation

Networking hardware

Tools

Nessus

Rapid7

SCAP

Nmap

Job description

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

Job Details

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

At GCI, we solve the hard problems. As a Senior Systems Administrator, a typical day will include the following duties:

Position supports both medium-sized business network and small program networks with multiple users on several different domains. Requires responsive and active management to include all system administrator duties related to servers and end user devices. Demonstrated knowledge of and experience with installing and maintaining software and hardware is essential. Must work closely with information assurance (IA) team and be skilled in scanning tools (Nessus, Rapid 7, SCAP, NMAP) and isolating and mitigating any vulnerabilities (WSUS).

Implementing controls per NIST 800 series of standard publications (800-171, 800-171A, 800-53, 800-37) employing the risk management framework to include FedRAMP and Government Community Cloud.

Advises senior leadership on IT procurement, and asset management, conducts research on tools that streamline business processes, and automate repeatable functions. Must work well under pressure and be capable of meeting deadlines in an environment where priorities can shift to adapt to evolving missions, goals, and objectives (Agile focus).

Experience mentoring more junior administrators with possibility of providing supervisory oversight, if desired.

Primary Responsibilities

• Collaborate with peers, co-workers and customers by using Teams, Outlook, telephone, or any other tools available in the work environment.
• Provide IT customer service, create, unlock, assign permissions and roles to accounts.
• Conduct daily, weekly, and monthly scans on systems.
• Apply patches, updates and any other mitigation actions.
• Attend meetings with support staff, and program managers to identify priorities.
• Investigate and troubleshoot any IT issues.
• Develop and maintain system documentation.
• Install, modify, and repair computer hardware and software including networking gear.
• Support program and organizational logistics/procurement and property accountability.
• Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled events such as backups.
• Maintain standalone systems (patches, virus definitions, etc.)

A candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans