System Administrator - MASS RS

Applied Research Solutions•Bath Township, OH

21d

About The Position

Applied Research Solutions is seeking a full-time detail-oriented System Administrator to join a fast-paced, cutting-edge technology program driving innovation in cyber security and autonomy. The ideal candidate thrives in dynamic environments, adapts quickly to evolving priorities, and is passionate about optimizing system performance and security. This role requires hands-on technical expertise, proactive problem-solving, and the ability to manage and secure complex computing environments across multiple platforms and networks. You will work side-by-side with engineers, developers, and security personnel to ensure seamless system operations and rapid support in a mission-critical environment. Why Work with us? Applied Research Solutions (ARS) is respected as a world-class provider of technically integrated solutions as we deliver premier talent and technology across our focused markets for unparalleled, continuous mission support. Awarded a Best Places to Work nominee since 2020, ARS recognizes that without our career- driven, loyal professionals, we would not be able to deliver state-of-the-art results for our mission partners. We firmly believe that prioritizing our employees is of the upmost importance. We provide a culture where our employees are challenged to meet their career goals and aspirations, while still obtaining a work/life balance. ARS employees are motivated through our industry competitive benefits package, our awards and recognition program, and personalized attention from ARS Senior Managers.

Requirements

Must be US Citizen
Bachelor’s degree in Computer Science, Information Systems, or a related field, or equivalent experience.
5+ years of experience as a system administrator in fast-paced, mission-driven environments.
Active Top Secret/SCI clearance
Proficiency with Linux (Red Hat/CentOS/Ubuntu) and Windows Server administration.
Experience managing virtualization platforms (e.g., VMware, Hyper-V, KVM).
Familiarity with secure system configurations, DoD STIGs, and RMF frameworks.
Strong scripting skills (e.g., Bash, PowerShell, or Python).
Excellent organizational and communication skills; ability to work both independently and as part of a high-performing team.
Experience developing and collaborating on software (git, etc)

Nice To Haves

Certifications such as Security+, CEH, Linux+, Microsoft Certified System Administrator (MCSA) certifications preferred
Experience supporting classified or air-gapped systems.
Exposure to CI/CD pipelines and containerized environments (Docker, Kubernetes).
Familiarity with configuration management tools (e.g., Ansible, Puppet, or Chef).
Certified Kubernetes Application Developer (CKAD cert)
Experience achieving CTF/ATO/RMF
AI/ML experience
High performance computing (HPC +Slurm) experience in a research environment.
Rancher Kubernetes Engine (RKE2)
Security scanning tools (Fortify scans)

Responsibilities

Deploy, configure, maintain, and monitor servers, workstations, virtual machines, and network infrastructure supporting development, testing, and operational environments.
Provide system support, troubleshoot incidents, and implement fixes or escalations as needed to meet aggressive program timelines.
Manage user access, authentication, and account lifecycle in accordance with cybersecurity and compliance policies.
Maintain configuration control, apply security patches, and perform regular system updates in accordance with STIGs and cybersecurity directives.
Support DevOps workflows, including automation of system tasks using scripting languages (e.g., Bash, PowerShell, Python).
Collaborate with cybersecurity teams to support accreditation efforts (RMF, NIST 800-53), vulnerability management, and incident response.
Document procedures, system configurations, and recovery plans; maintain operational runbooks and SOPs.
Other duties as assigned