Senior Systems Engineer

We are seeking a highly skilled Systems Engineer to support the U.S. Army Special Operations Command (USASOC) under the Enterprise Digital Applications and Technology (EDAT) program. This role is responsible for designing, implementing, securing, and maintaining network and system infrastructure supporting a Commercial Solutions for Classified (CSfC) architecture.

The ideal candidate will have experience operating in classified environments, deep knowledge of secure network design, and hands-on expertise with CSfC components, layered encryption, and Zero Trust principles.

Key Responsibilities

• Build, harden, and deploy critical server infrastructure, including management systems, Certificate Authorities (CA), and logging servers
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• Configure and secure Windows Server (2022) and RHEL (8) operating systems in accordance with DoD STIGs.
• Provision and manage the Nutanix AHV virtualization platform.
• Integrate server infrastructure and PKI components into the wider CSfC architecture.
• Implement system-level security tools for monitoring and auditing
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• Utilize automation and scripting tools such as Ansible, Power Shell, or Bash for efficiency.
• Support system hardening, STIG implementation, and RMF compliance activities
• Monitor system performance, troubleshoot issues, and ensure high availability of mission‑critical systems
• Collaborate with cybersecurity teams to support Zero Trust Architecture (ZTA) initiatives
• Maintain and update system documentation, network diagrams, and accreditation artifacts
• Support Authority to Operate (ATO) processes, including security control implementation and validation
• Participate in incident response, vulnerability remediation, and continuous monitoring activities
• Provide technical guidance and support for system upgrades, migrations, and modernization efforts

Required Qualifications

• Bachelor’s degree in Information Technology, Computer Science, Engineering, or related field (or equivalent experience)
• 8+ years of experience in network and systems engineering within DoD or IC environments
• Hands‑on experience with CSfC solutions and familiarity with NSA CSfC Capability Packages
• Strong experience with:
• Windows Server 2022 and RHEL 8 Operating Systems
• Windows and/or Linux system administration/engineering
• Provisioning the Nutanix AHV virtualization platform
• Other virtualization technologies (VMware, Hyper‑V)
• Experience implementing STIGs, RMF, and DoD security controls
• Active DoD 8570/8140 IAT Level II (or higher) certification (e.g., Security+ CE, CISSP, CASP+)
• Active Top Secret/SCI clearance required.

Preferred Qualifications

• Experience supporting USASOC, USSOCOM, or SOF environments
• Familiarity with Zero Trust Architecture (ZTA) and modern identity‑based security models
• Experience with cloud environments (Azure Government, AWS Gov Cloud) in classified or hybrid architectures
• Knowledge of cross‑domain solutions (CDS) and secure data transfer mechanisms
• Relevant certifications (e.g., CCNP, CCIE, CISSP, CASP+, VMware VCP)
• Experience working in SCIF environments

May 18, 2026

Pay Range $ - $

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.