Leidos

Senior Systems Engineer

Leidos  •  $108k - $195k/yr  •  United States (Hybrid)  •  8 days ago
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Job Description

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
  • 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
  • Utilize automation and scripting tools such as Ansible, PowerShell, 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 GovCloud) 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

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

May 18, 2026

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $107,900.00 - $195,050.00

The Leidos pay range for this job level is a general guideline only and 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.

Leidos

About Leidos

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.

Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.

Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.

Your most important work is ahead, visit careers.leidos.com for our latest opportunities.

Industry
Aviation & Aerospace
Company Size
10,000+ employees
Headquarters
Reston, Virginia
Year Founded
1969
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