Senior Server Operating Systems Engineer

NebraskaOnsiteFull TimeSeniorPosted 1 month agoVisa sponsorship available

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Required skills

Windows Server 2019
RHEL 8
RMF
DISA STIGs
SCAP
DoD 8500
DoD 8510
Active Directory
GPOs
WSUS

Nice to have

Red Hat Satellite
Ansible Automation Platform
Red Hat IdM
VMware
DoD cloud
hybrid infrastructure

Role summary

Kaimetrix is seeking a Senior Server Operating Systems Engineer to design, implement, secure, and sustain enterprise Windows and Linux server environments for mission-critical DoD operations. This role involves modernizing and maintaining server operating systems in compliance with DoD cybersecurity policies, RMF, and DISA STIGs, enabling scalable IaaS and PaaS capabilities. Responsibilities include OS deployment, hardening, Active Directory services, security control implementation, automation, troubleshooting, and documentation.

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)

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
Active DoD Secret or higher security clearance

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