Systems Administrator Senior

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Interim Secret

Clearance Level Must Be Able to Obtain:

Secret

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Critical Systems, Information Technology (IT) Systems, Linux, System Administration

Certifications:

None

Experience:

3 + years of related experience

US Citizenship Required:

Yes

Job Description:

Overview

GDIT/ARMA-Global is currently pursuing a qualified candidate to serve as a Systems Administrator Senior supporting the sustainment of critical technologies for our customers.

Company Overview

GDIT/ARMA‑Global is a full‑service integrator delivering a wide range of Information Technology services to Government and Commercial clients. We bring extensive experience in overseeing the design, implementation, execution, and sustainment of domestic and international programs, emphasizing no‑fail mission support. GDIT/ARMA‑Global prides itself on providing creative solutions to client challenges through talent and expertise committed to customer success.

Location

Onsite - Mary Esther, FL

Responsibilities

As a Systems Administrator Senior, you will support customer mission objectives by administering, maintaining, and troubleshooting client systems in support of real‑time operational requirements. You will collaborate with a multi‑disciplinary team to deliver resilient and secure system sustainment services that enhance enterprise operations.

You'll be critical to executing solutions in support of customer outcomes. Specifically, you'll be:

• Staying current on new technology platforms, software, tools, and capabilities that improve efficiency and reduce cost while supporting service expansion and customer mission needs

• Supporting project milestones and providing hands‑on technical development, integration, implementation, and sustainment of mobile device services

• Supporting the execution of approved technology strategies and fostering productive partnerships that deliver resilient, highly available mobile management solutions

Role-Specific Knowledge Skills and Abilities:

• Experience supporting or administering TAK systems, including TAK Server and TAK clients (ATAK, WinTAK, WebTAK)

• Ability to install, configure, update, and maintain TAK Server components, plugins, data services, and federated connections

• Experience troubleshooting TAK connectivity, network replication, data feeds, plugin behavior, and certificate‑based authentication issues

• Knowledge of TAK user management, group structures, role‑based access, data‑sharing configuration, and mission package deployment

• Ability to support TAK integration with external systems, services, or data sources (e.g., mapping sources, location feeds, mission data inputs)

• Ability to diagnose TAK client performance issues and provide Tier‑2 support to users operating TAK in mission‑focused environments

• Familiarity with operational workflows where TAK is used for situational awareness, collaboration, and mission execution

• Experience creating, maintaining, or updating TAK configuration documentation, SOPs, checklists, or mission‑support artifacts

• Linux administration experience including navigating the command line, installing packages, managing services, handling permissions, performing log analysis, and troubleshooting Linux client systems

• Understanding of Windows workstation administration including profiles, policies, and application support

• Experience supporting system and application issues across distributed operational environments and remote users

• Understanding of IT fundamentals including networking basics, authentication, hardware peripherals, virtualization, and storage concepts