Systems Administrator Senior

General Dynamics Information Technology • Mary Esther, FL

1d • $89,250 - $120,750 • Onsite

About The Position

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. 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.

Requirements

• 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.
• Experience with Active Directory for user and device management.
• Ability to work independently or collaboratively in fast‑paced operational settings.
• Strong communication skills with the ability to explain technical concepts to users with varying technical backgrounds.
• Patience, professionalism, and a customer‑service mindset when engaging with users.
• Self‑motivated, adaptable, and capable of responding quickly to operational requirements including on‑call support.
• Must have a SECRET clearance with the ability to obtain an SCI (TS/SCI).
• BS in a related technical discipline or equivalent related experience plus required experience.
• 3+ years of combined DoW and/or Commercial industry IT service experience.
• 2+ years of Linux systems administration experience.
• 2+ years using and supporting Windows operating systems.
• Experience supporting client systems in enterprise or mission‑focused environments.
• Current DoD 8570.01-M IAT Level II certification (Sec+ CE or equivalent) Required.

Nice To Haves

• Linux+
• Amazon Web Services Certified Solutions Architect (Associate or Professional)

Responsibilities

• Support customer mission objectives by administering, maintaining, and troubleshooting client systems in support of real‑time operational requirements.
• Collaborate with a multi‑disciplinary team to deliver resilient and secure system sustainment services that enhance enterprise operations.
• Stay current on new technology platforms, software, tools, and capabilities that improve efficiency and reduce cost while supporting service expansion and customer mission needs.
• Support project milestones and providing hands‑on technical development, integration, implementation, and sustainment of mobile device services.
• Support the execution of approved technology strategies and fostering productive partnerships that deliver resilient, highly available mobile management solutions.

Benefits

• Comprehensive benefits and wellness packages
• 401K with company match
• Competitive pay
• Paid time off
• Full flex work weeks where possible
• Variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
• Short and long-term disability benefits
• Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance

What This Job Offers

• Job Type: Full-time
• Career Level: Senior