Senior System Administrator jobs in United States
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OCH Technologies, LLC · 10 hours ago

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. This role is responsible for managing, maintaining, and securing critical IT infrastructure while providing technical leadership and mentorship to other system administrators.

EducationManagement ConsultingTraining
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

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

Qualification

Active DirectoryCybersecurity complianceVMwarePowerShellDoD 8570 CertificationCompTIAMicrosoft AzureWindows Web ServerTechnical documentationMentorshipTeam collaborationCommunication skills

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 - 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)
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

Benefits

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!

Company

OCH Technologies, LLC

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OCH Technologies is a government contractor dedicated to providing innovative solutions and services to support the mission-critical needs of our clients.

Funding

Current Stage
Growth Stage

Leadership Team

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Mike O'Connor
Chief Executive Officer
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Company data provided by crunchbase