Systems Administrator Senior

Sawdey Solution Services•Battle Creek, MI

6d•Hybrid

About The Position

The Senior System Administrator ensures 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.

Requirements

At least 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)
BA/BS in a technical discipline with at least 10 years of specialized experience, defined as progressive experience in Information Processing disciplines involving diverse hardware/software solutions
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.
Top Secret/SCI Clearance
This position supports a U.S. Government Contract whose terms require Sawdey Solution Services to staff it only with U.S. Citizens.

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 technology 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