Senior Server Operating Systems Engineer

Kaimetrix, LLC; Bellevue Second IV Precinct (NE); On-site; USD 120,000 - 190,000; Full time

Benefits offered by this job

401(k) with employer matching

Paid time off

11 federal holidays

Education reimbursement

Job summary

Kaimetrix, L.L.C. is seeking a Senior Server Operating Systems Engineer to design, implement, secure, and sustain enterprise Windows and Linux server environments supporting DoD operations.

You will modernize and maintain server OS in compliance with DoD cybersecurity policies, RMF requirements, and DISA STIGs while enabling scalable IaaS/PaaS across classified and unclassified spaces. The role requires eight+ years of experience, hands-on Windows Server 2019+ and RHEL 8+, and DoD RMF/STIGs

Qualifications

• Eight+ years of experience supporting enterprise Windows and Linux server environments.
• Hands-on with Windows Server 2019+ and RHEL 8+.
• Experience implementing RMF, DISA STIGs, SCAP, and DoD 8500/8510 requirements.
• Active DoD TS/SCI or higher clearance.

Responsibilities

• Design, deploy, harden, and maintain enterprise Windows and Linux operating systems.
• Implement and sustain AD, GPOs, LDAP, DNS, PKI, and identity services.
• Apply and validate DISA STIGs, SCAP scans, and RMF controls.
• Automate provisioning, patching, and configuration management.
• Support OS lifecycle sustainment, modernization, and upgrades.
• Collaborate with cybersecurity, network, and virtualization teams.
• Develop technical docs, SOPs, and diagrams.
• Support audits, inspections, and Security Readiness Reviews.

Skills

Windows Server

Linux admin

Active Directory

Group Policy

Scripting

PowerShell

Bash

RMF & STIGs

SCAP

PKI

DoD TS/SCI

Tools

Red Hat Satellite

Ansible Automation Platform

Red Hat IdM

VMware

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.

About the role

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.

What you’ll do

• 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)

Qualifications

• 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)
• Active DoD TS/SCI or higher security clearance

Preferred Qualifications

• 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