Hiring: Senior System Administrator Company: CALIBRE Systems, Inc. Location: Battle Creek, MI Job Posted Time: 2026-09-11 13:04:11 Employment Type: Full-time / Remote Target Skills & Keywords : Ansible, DNS, Digital Transformation, Linux, Load Balancing, PowerShell, Python, Risk Management, Security Clearance, Windows Server About the job Experience: •Minimum of five (5) years experience working as system administrator in a Microsoft Windows OS environment. •Minimum of three (3) years’ experience with configuring and managing Windows IIS o Must possess a Microsoft Windows Server Hybrid Administrator Associate credential or achieve the credential within 6 months of the contract or personnel start date. Required Skills: •O Install, configure, operate, and maintain servers, storage, and peripherals. •O Administer Active Directory (AD), DNS, DHCP, Group Policy (GPO), and Vmware environments. •O Ensure system stability, integrity, and performance for core organizational functions. •O Perform hardware and software upgrades and maintenance. •O Apply and validate DoD Security Technical Implementation Guides (STIGs) to ensure secure configurations. •O Implement and manage security controls, patching, and vulnerability remediation. •O Participate in Risk Management Framework (RMF) documentation and accreditation. •O Monitor for security threats and risks, managing firewalls. Qualifications: •Sensitivity Level: Must possess IT-I Critical Sensitive security clearance or Tier 5 (T5) at time of proposal submission •Minimum of three (3) years’ experience configuring and managing IBM MQ o Must possess an IBM MQ IBM MQ v9.4 Administrator – Professional, or newer certification or achieve the certification within 6 months of the contract start date or personnel start date. •8140: DoD Approved 8140 Baseline Certification: Category IAT Level II o Work Role: 451 - System Administrator - Intermediate o Certification In One Or More Of The Following Areas At The Time Of Proposal Or Submission As a Candidate •O Cloud+ - CompTIA Cloud plus o GICSP - Global Industrial Cyber Security Professional o GSEC - GIAC Security Essentials Certification o Security+ - CompTIA Security plus o SSCP - Systems Security Certified Practitioner Compensation: •Flexible work environment (work from home / hybrid options) Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!