Senior Systems Engineer

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 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at .

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at View email address on click.appcast.io .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission ( .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

REQNUMBER: R-00183498

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.