Senior Systems Engineer – DoD Enterprise Infra (Secret)

Semper Valens Solutions; Fort Meade (MD); On-site; USD 110,000 - 170,000; Full time

Benefits offered by this job

Referral bonus

Sign-on bonus

Career advancement

Job summary

Semper Valens Solutions seeks a Senior Systems Engineer to support the DISA Citadel mission at Ft. Meade, MD. You will design, implement, and optimize enterprise systems, spanning classified and unclassified networks, with strong emphasis on security, virtualization, and automation.

You will work with government stakeholders and cybersecurity teams to ensure high availability and compliance in a DoD environment, while mentoring junior engineers and driving process improvements.

Qualifications

• Bachelor's degree in Information Technology, Computer Science, Engineering, or related field.
• 8+ years of systems engineering or enterprise infrastructure experience.
• Experience supporting DoD or federal government environments.
• Strong experience with Red Hat Enterprise Linux, VMware vSphere/ESXi, AD/DNS/DHCP/GP, storage/backup, automation, and monitoring.
• Understanding of RMF, STIGs, ACAS, and DoD cybersecurity policies.
• Active Security+ CE or equivalent DoD 8570/8140 certification.
• Active Secret clearance required.

Responsibilities

• Design, implement, maintain, and optimize enterprise systems infrastructure for DISA Citadel operations.
• Engineer and administer Linux server environments in classified and unclassified networks.
• Support virtualization platforms including VMware, Hyper-V, or cloud environments.
• Develop and maintain system documentation, diagrams, SOPs, and procedures.
• Perform monitoring, troubleshooting, performance tuning, and root-cause analysis.
• Support patch management, STIG compliance, vulnerability remediation, and RMF activities.
• Collaborate with cybersecurity to ensure DoD security compliance.
• Automate system administration using PowerShell, Bash, Python, or Ansible.
• Support backup, DR, and high-availability solutions.
• Participate in upgrades, migrations, and tech refresh initiatives.
• Provide Tier III escalation support and mentor junior engineers.

Skills

Strong analytical skills

Troubleshooting

Independent work

Stakeholder coordination

Excellent communication

Education

Bachelor's degree in IT / CS / Engineering

Tools

Red Hat Enterprise Linux

VMware vSphere/ESXi

Active Directory/DNS/DHCP/GP

Enterprise storage & backup

Automation & scripting tools

System monitoring

Job description

Semper Valens Solutions seeks a Senior Systems Engineer to support the DISA Citadel mission at Ft. Meade, MD. You will design, implement, and optimize enterprise systems, spanning classified and unclassified networks, with strong emphasis on security, virtualization, and automation.

You will work with government stakeholders and cybersecurity teams to ensure high availability and compliance in a DoD environment, while mentoring junior engineers and driving process improvements.