Senior Server Operating Systems Engineer

Kaimetrix is seeking a Senior Server Operating Systems Engineer to design, implement, secure, and sustain enterprise-wide Windows and Linux server environments supporting mission-critical DoD operations. This role is responsible for modernizing and maintaining server operating systems in compliance with DoD cybersecurity policies, RMF requirements, and DISA STIGs while enabling scalable IaaS and PaaS capabilities across classified and unclassified environments., * Design, deploy, harden, and maintain enterprise Windows Server and Linux operating systems

• Implement and sustain Active Directory, Group Policy, LDAP, DNS, PKI, and identity services
• Apply and validate DISA STIGs, SCAP scans, and RMF security controls
• Automate system provisioning, patching, and configuration management
• Support OS lifecycle sustainment, modernization, and upgrade efforts
• Participate in Configuration Control Boards (CCBs) and technical change reviews
• Troubleshoot complex OS-level issues across virtualized and physical systems
• Develop and maintain technical documentation, SOPs, and system diagrams
• Collaborate with cybersecurity, network, and virtualization teams
• Support audits, inspections, and Security Readiness Reviews (SRRs)

Do you have experience in Windows support?, * Minimum of eight years of experience supporting enterprise Windows and Linux server environments

• Hands-on experience with Windows Server 2019 or later and RHEL 8 or later
• Experience implementing RMF, DISA STIGs, SCAP, and DoD 8500/8510 requirements
• Strong experience with Active Directory, GPOs, WSUS, LDAP, DNS, and PKI
• Proficiency with scripting and automation (PowerShell, Bash, or equivalent)
• Security+ certification (DoD 8570/8140 compliant), * Microsoft or Red Hat intermediate-level or higher server certification
• Experience with Red Hat Satellite, Ansible Automation Platform, or Red Hat IdM
• Experience supporting VMware-based enterprise environments
• Familiarity with DoD cloud or hybrid infrastructure deployments
• Active DoD Secret or higher security clearance

Pulled from the full job description

• Tuition reimbursement
• AD&D insurance
• Health insurance
• 401(k) matching
• Paid time off
• Vision insurance
• Health savings account

Full job description

About Kaimetrix, L. L. C.

At Kaimetrix, we deliver complete IT solutions and bring together complex and often siloed services - increasing the value of IT through a holistic, end-to-end approach. We combine real data with expert insights to help organizations modernize, streamline operations, advance IT initiatives, and achieve mission success for federal civilian, defense, and intelligence agencies. Our core capabilities include cybersecurity, data operations, end-user support, IT management, software development, systems engineering, process improvement, and technical advisory.

We believe our greatest asset is our people. We invest in our team's growth, empower them with autonomy and accountability, and offer meaningful work that supports mission-focused agencies while advancing your career.

Join us if you're looking to do impactful work, develop professionally, and be part of a culture that values continuous improvement, metrics-driven performance, and exceptional service.

Benefits Summary: Kaimetrix offers a comprehensive benefits package that includes medical, dental, and vision insurance; company-paid short-term and long-term disability coverage; company-paid life and AD&D insurance with additional voluntary options; a 401(k) and Roth retirement plan with employer matching; paid time off that increases with tenure; 11 paid federal holidays; FSA and HSA options; commuter benefits; annual education reimbursement for approved training and certifications; employer-paid identity protection; and optional supplemental coverages such as accident, cancer, critical illness, and hospital indemnity.

Kaimetrix, L.L.C. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin.