Senior OS & Infra Analyst — DoD ECS/AWS GovCloud

Quantum Sky Engineering LLC; Aurora (CO); On-site; USD 115,000 - 145,000; Full time

Benefits offered by this job

Health/Dental/Vision

401(k) match

Paid Time Off

Parental leave

Job summary

Quantum Sky Engineering LLC in Aurora, CO seeks a Senior Computer Systems Analyst (Windows/RHEL SA OS) to support the DHA EOSS contract. You will lead OS administration for both Windows and RHEL, ensuring health, availability, performance, and cybersecurity across the DHA ECS environment hosted in AWS GovCloud East.

You will implement DISA STIGs, RMF artifacts, manage AMIs, and coordinate with IC/DCOPS teams and ISSO/ISSM to maintain ATO readiness while enforcing PKI/SSO and privileged access

Qualifications

• Bachelor’s degree in CS/IS/CE or related field.
• Active DoD 8570.01-M/IAT Level II baseline cert; DoD 8140/8570 required or to be obtained.
• Experience administering Windows and Red Hat Enterprise Linux in enterprise/cloud environments.

Responsibilities

• Lead OS administration across Windows Server and RHEL in Dev/Test/Prod environments.
• Upgrade and migrate OS versions (e.g., Windows Server, RHEL) with minimal downtime.
• Harden systems using STIGs; manage AD, GPOs, and PKI/SSO controls.
• Coordinate with DCOPS/ISSO for RMF/ATO artifacts and security posture.
• Manage AVHE/VDI access, IAM, and AMI creation for rapid provisioning.

Skills

OS Administration

RHEL & Windows

DISA STIGs

AWS GovCloud

8570 Certification

Active Directory

Education

Bachelor's degree in Computer Science / Information Systems / Computer Engineering

RHCSA or Windows Server Hybrid Administrator cert

Tools

AWS Management Console

Job description

Quantum Sky Engineering LLC in Aurora, CO seeks a Senior Computer Systems Analyst (Windows/RHEL SA OS) to support the DHA EOSS contract. You will lead OS administration for both Windows and RHEL, ensuring health, availability, performance, and cybersecurity across the DHA ECS environment hosted in AWS GovCloud East.

You will implement DISA STIGs, RMF artifacts, manage AMIs, and coordinate with IC/DCOPS teams and ISSO/ISSM to maintain ATO readiness while enforcing PKI/SSO and privileged access