Senior System Administrator

OCH Technologies is seeking a Senior System Administrator that will ensure the stable, secure, and optimized operation of in-house computer software systems and network connections supporting the CAGE system of applications and mission capabilities. This role is responsible for planning, developing, installing, configuring, maintaining, and optimizing network software, communication links, and enterprise systems across multiple locations.

The position provides senior-level technical leadership in managing, maintaining, and securing critical IT infrastructure (servers, networks, storage) within secure environments, with a focus on high availability, cybersecurity compliance (STIGs/RMF), automation, advanced troubleshooting, and mission readiness. The Senior System Administrator also directs the work of other system administrators and provides mentorship, training, and operational leadership.

Battle Creek, MI

• Install, configure, operate, and maintain servers, storage systems, and peripherals.
• Administer enterprise environments including Active Directory (AD), DNS, DHCP, Group Policy (GPO), and VMware.
• Ensure system stability, integrity, availability, and performance for mission-critical functions.
• Perform hardware and software upgrades, lifecycle management, and maintenance.
• Provide local and remote maintenance support for systems deployed across multiple locations.
• Apply and validate DoD Security Technical Implementation Guides (STIGs).
• Implement and manage security controls, patching, and vulnerability remediation.
• Support Risk Management Framework (RMF) documentation, compliance, and accreditation activities.
• Monitor for security threats, manage firewalls, and support incident response.
• Perform vulnerability management and system hardening activities.
• Develop and maintain Standard Operating Procedures (SOPs), technical documentation, and network diagrams.
• Automate routine administrative tasks using Power Shell, Python, Ansible, or similar tools.
• Create, manage, and maintain OS images for system deployment.
• Improve system administration efficiency through automated tools and scripting.
• Provide advanced Tier 2/3 technical support for complex system issues.
• Monitor system performance and capacity (e.g., SCOM).
• Manage backup, recovery, and disaster recovery operations.
• Produce technical reports, incident documentation, SITREPs, AARs, and outage reports.
• Analyze and resolve end‑user software, connectivity, and performance issues.
• Direct and coordinate day‑to‑day activities of system administrators.
• Lead system and resource optimization initiatives.
• Plan for future hardware/software needs and long‑term infrastructure requirements.
• Provide technological direction aligned with business and mission objectives.
• Collaborate with military, civilian, and contractor stakeholders across functional teams.
• Develop and deliver system administrator training and skills assessments.
• Provide end‑user training when required.

Bachelor of Arts (BA) or Bachelor of Science (BS) in a technical discipline with at least ten (10) years of specialized experience, defined as progressive experience in Information Processing disciplines involving diverse hardware/software solutions.

At least four (4) years of hands‑on experience installing, configuring, maintaining, and resolving issues with enterprise software systems (OR equivalent combination of education and experience as allowed by contract).

Must possess an active Top Secret/SCI clearance.

DoD 8570/8140 Approved Baseline Certification
Certification in one or more of the following areas:

• Must be able to effectively communicate with customer and fulfill all duties and responsibilities as listed in the contract.
• Must be proficient in Microsoft Office suite including, but not limited to:
  Word, PowerPoint, Excel, and Outlook.

At OCH, we are more than just a government contracting firm; we are innovators and leaders in providing cutting‑edge IT services and cybersecurity solutions. Driven by a set of fundamental values, we…