Senior System Administrator

Company: OCH Technologies LLC
Location: Leesburg
Posted on: February 17, 2026

Job Description:

Job Description Job Description Description: Description 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. Location Battle Creek, MI Core Responsibilities & Duties · 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 PowerShell, 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. Requirements: Minimum Qualifications Education 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 Experience 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) Security Clearance Requirement Must possess an active Top Secret/SCI clearance Certificate Requirement: DoD 8570/8140 Approved Baseline Certification · Category: IAT Level II · Role: Server Admin Applications · Function: Application Administrator Certification in one or more of the following areas: · CompTIA · Microsoft Azure · IBM MQ · Windows Web Server (IIS) Other Required Skills and Abilities · 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. About Us : 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 excel in creating secure, efficient, and forward-thinking solutions that empower the government agencies we work with. Our commitment to maintaining the highest standards of integrity, adapting swiftly to new challenges, and focusing on the people we serve ensures that we consistently exceed expectations and lead the industry in innovation and reliability. What Defines Us: · Integrity - We act with unwavering honesty, ensuring every decision is rooted ethically. · Adaptable - We swiftly adapt to changes, seizing opportunities to innovate and lead. · People-Focused - We prioritize relationships, championing growth and mutual success. · Accountable - We own our outcomes, striving for excellence through continuous improvement. · Collaborative - We cultivate teamwork, harnessing diverse talents to forge groundbreaking solutions. Why Join Us? Step into a role at OCH where your contributions make a tangible impact. Join a team that values creativity and initiative, offering a platform to transform the landscape of government IT services. Here, your work is not just a career—it's a mission. Embrace the opportunity to grow, innovate, and excel alongside industry leaders who are as passionate about technology as they are about making a difference. Plus, we offer a comprehensive benefits package designed to support your wellbeing and work-life balance, including: Paid time off and Holidays Medical, Dental, and Vision Insurance Paid Parental Leave Short-term disability, long-term disability, and life insurance - Employer Paid! 401(k) Additional Voluntary Life Insurance Tuition Reimbursement & More! E-Verify Participation: OCH Technologies, LLC is a participant of E-Verify to verify the identity and employment eligibility of newly hired employees. Veteran’s Preference and Accessibility Statement : At OCH Technologies, we deeply respect and appreciate the unique skills and experiences that veterans bring to our team. As a federal contractor, we proudly offer preference to qualified veterans and wholeheartedly encourage them to apply. We want you to know that your service and dedication will always be valued here! Additionally, we are committed to creating a workplace that is open, welcoming, and accessible to everyone. In line with the Americans with Disabilities Act (ADA), we provide reasonable accommodations throughout the hiring process to ensure that individuals with disabilities can apply without barriers. If you need assistance or accommodations, please don't hesitate to contact us at hiring@ochtec.com - we’re here to help. OCH Technologies, LLC is proud to be an equal opportunity employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, disability, gender identity, or any other protected characteristic as outlined by federal, state, or local laws.

Keywords: OCH Technologies LLC, Rockville , Senior System Administrator, IT / Software / Systems , Leesburg, Maryland