System Administrator III

Foxhole Technology, Inc.•Arlington, VA

22h•Remote

About The Position

Foxhole Technology provides robust cybersecurity and IT support capabilities for federal civilian and defense agencies. A recognized leader in navigating technology and security challenges, Foxhole delivers mission-focused innovations to answer evolving and complex needs. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world. Foxhole is seeking a qualified Senior System Administrator to support a government customer in a secure, mission-essential environment. This position involves managing and security IT systems, overseeing system configuration, and ensuring operational stability across a variety of systems in a cloud-based environment. You will be responsible for the implementation, configuration, and maintenance of these systems. The ideal candidate brings hands-on technical experience, a strong grasp on federal and DoD cybersecurity standards and compliance measures.

Requirements

At least 8 years of experience in a system administration role, with at least 5+ years’ experience managing, provisioning, and monitoring cloud infrastructure
Deep knowledge of AWS, or cloud-based platforms, including experience with serverless, containerization, and virtual machines
Proficiency in automation, scripting, and infrastructure-as-a-service code, such as PowerShell, Python, Bas, or Terraform
Advanced administration skills in Linux/Unix and Windows Server environment
Experience implementing security protocols and utilizing monitoring tools to ensure uptime and performance
Ability to resolve complex, high-level, multi-platform system issues
Ability to create and maintain comprehensive technical documentation for configurations and procedures
Active Secret Clearance

Nice To Haves

Bachelor’s (BS) in Computer Science, Engineering, Information Systems or equivalent experience (10+ years) – strongly preferred but not required
Certified, CompTIA Security+
AWS, MS, Linux based certification is a plus
Experience supporting teams in AWS environments (GovCloud a plus)
Experience supporting or participating in Product Release related activities
Knowledge and experience with automation; reducing manual activities

Responsibilities

Provision, configure, and maintain AWS GovCloud environments (Dev/Test/ Production) in support of modernization projects
Administer and maintain Oracle and Oracle APEX applications environments, coordinating with database administrators and software developers to endure stable, high-performing infrastructure
Perform ongoing systems administration activities, to include OS patching, configuration management, and environment monitoring in accordance with customer directives, compliance and regulatory requirements
Apply and maintain Security Technical Implementation Guides (STIGs) and Cloud Computing Security Requirements Guide (CC SRG) controls across IL4/IL5 environments to support and sustain Authority to Operate (ATO) specifications
Coordinate with Cybersecurity teams to support continuous monitoring, vulnerability management, and incident response activities in alignment with Risk Management Framework (RMF) requirements
Participate in Agile/Scrum sprint ceremonies/stand-ups, contributing infrastructure and environment-related user stories, sprint tasks, and status updates
Produce and maintain technical documentation including environment configuration records, standard operating procedures (SOPs), and system administration runbooks in support of program deliverables
Plan and execute upgrades, installations, monitoring, and management tools, security practices, and overall support architecture
Serve as Tier II/III escalation point for complex issues, collaborating with cybersecurity, operations, and applications support teams

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