Senior Systems Engineer

Atlas Technologies, Inc.; Jacksonville (FL); On-site; USD 120,000 - 160,000; Full time

Job summary

Atlas Tech is seeking a Senior Systems Engineer to own the engineering, hardening, baseline enforcement, and lifecycle management of Windows, Linux, virtualization, and endpoint platforms in secure DoD environments. You will lead vulnerability remediation, RMF activities, and DISA STIG compliance while integrating ACAS scanning and SB tooling.

The role requires hands-on expertise with Windows and RHEL, VMware, VDI, Active Directory, and automation using PowerShell, Bash, and Ansible.

Qualifications

• US Citizenship is required.
• Possession of a DoD Secret clearance is required.

Responsibilities

• Engineer, administer, and secure enterprise Windows and RHEL systems.
• Maintain and enforce baseline configurations.
• Administer and optimize VMware vSphere / ESXi / vCenter environments.
• Support VDI infrastructure.
• Endpoint & Configuration Management.
• Manage Active Directory and GPOs.
• Develop automation using PowerShell, Bash, and Ansible.
• Lead vulnerability remediation efforts and RMF activities.
• Ensure compliance with DISA STIGs and Navy cybersecurity requirements.
• Provide technical documentation and participate in reviews and boards.

Skills

Windows Server

RHEL

VMware vSphere / ESXi / vCenter

VDI

Active Directory & GPOs

PowerShell

Bash / Linux scripting

Ansible

ACAS scanning

Vulnerability remediation

RMF / compliance

DISA STIGs

Navy cybersecurity requirements

Technical documentation

Tools

VMware vSphere / ESXi / vCenter

PowerShell

Bash

Ansible

ACAS

HBSS

ESS

Job description

Looking for a career where hard work is valued, and your ideas and feedback are part of the way we operate daily? Want to bring your skills to a company that encourages teamwork and champions continued education and process improvement?

Atlas Tech, a veteran-owned IT company serving multiple DoD customers in support of America's warfighters, is looking for a Senior Systems Engineer in North Charleston, SC. This is an onsite position requiring a relocation if you are outside of the Charleston market.

The Senior Systems Engineer is responsible for the engineering, hardening, baseline enforcement, and lifecycle management of enterprise Windows, Linux, virtualization, and endpoint management platforms while serving as a technical authority for vulnerability assessment, remediation, and RMF compliance. This is a hands-on, senior‑level engineering role requiring extensive experience supporting enterprise IT and C4I systems in secure DoD environments. The candidate must be capable of independently troubleshooting complex system issues, leading vulnerability remediation efforts, and ensuring compliance with DoD, Navy, and DISA cybersecurity requirements.

The ideal candidate for this position will have proven experience in a technology‑driven program or project supporting the US Navy. If you have systems engineering skills, a strong work ethic and commitment to quality, we would like to talk to you about joining our growing team.

You Will:

• Engineer, administer, and secure enterprise Windows and RHEL systems
• Maintain and enforce baseline configurations
• Administer and optimize VMware vSphere / ESXi / vCenter environments
• Support VDI infrastructure
• Endpoint & Configuration Management
• Manage Active Directory and Group Policy Objects (GPOs)
• Develop and maintain automation using: PowerShell, Bash / Linux scripting, Ansible
• Serve as subject matter expert for ACAS scanning and analysis
• Lead system‑level vulnerability remediation efforts to closure
• Implement and manage endpoint security solutions: Trellix / HBSS / ESS
• Support RMF activities, including control validation, POA&M development, and continuous monitoring
• Ensure compliance with DISA STIGs, DoD policies, and Navy cybersecurity requirements
• Provide limited support for Brocade switches (firmware, baselines)
• Troubleshoot systems in lab and production environments
• Participate in technical reviews, change management, and engineering boards
• Produce and review technical documentation including implementation plans, test results, and technical reports
• Coordinate and knowledge-share within a multi-disciplinary engineering team

You Have:

• US Citizenship
• Possession of a Department of Defense (DoD) Secret