Leidos

Systems Engineer

Leidos  •  $131k - $237k/yr  •  United States (Onsite)  •  9 hours ago
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Job Description

Leidos is seeking a highly skilled Systems Engineer to design, implement, and maintain our hybrid infrastructure. In this role, you will play a critical part in managing our virtualized environment, optimizing cloud workloads, and ensuring robust endpoint and server security. The ideal candidate has deep technical expertise in VMware, Citrix, and AWS, coupled with a strong background in Active Directory management and rigorous automated enterprise patching workflows.

Key Responsibilities

  • Virtualization & VDI Management: Administer, configure, and optimize enterprise VMware vSphere/ESXi environments. Build, maintain, and scale Citrix Virtual Apps and Desktops (VDI), managing storefronts, delivery groups, and golden images.
  • Cloud Infrastructure: Manage and optimize cloud solutions within AWS, leveraging core services such as EC2, S3, VPC, IAM, Route 53, and auto-scaling groups to support hybrid connectivity.
  • Identity & Access Management: Oversee and maintain Active Directory (AD), including Group Policy Objects (GPOs), organizational units (OUs), domain controller health, and identity access control settings.
  • Endpoint & Infrastructure Security: Deploy, configure, and maintain Trellix endpoint security, threat intelligence, and antivirus policies across the enterprise ecosystem.
  • Patch Management & Maintenance: Own the end-to-end vulnerability management and OS/software patching lifecycles for Windows/Linux servers and VDI instances, minimizing downtime through proactive maintenance windows.
  • Monitoring & Performance Tuning: Utilize enterprise monitoring tools to proactively foresee bottlenecks, troubleshoot complex tier-2/3 technical incidents, and ensure maximum systems availability.

Required Qualifications & Skills

  • Must have an active TS/SCI with Poly

Technical Experience

  • Virtualization: 3–5+ years of hands-on experience administering VMware vSphere and Citrix VDI infrastructures.
  • Cloud Platforms: Proven experience deploying and maintaining infrastructure in Amazon Web Services (AWS).
  • Identity & Directory Services: Deep understanding of Active Directory Architecture, DNS, DHCP, and group policies.
  • Security Tools: Direct experience working with Trellix (formerly McAfee Enterprise / FireEye) endpoint security management tools.
  • Automation & Patching: Proficiency with automated patching tools and configuration management systems (e.g., WSUS, SCCM, Ansible) along with scripting capabilities in PowerShell, Python, or Bash.

Education & Certifications

  • Education: Bachelor’s degree in Computer Science, Information Technology and at least 12 years of relatable work experience OR a Masters and at least 10 year of relatable work experience OR 16+ years of relatable work experience.

Preferred Attributes

  • Strong analytical and troubleshooting skills under pressure.
  • Excellent collaboration skills to act as a bridge between security, development, and network teams.
  • Experience operating within a structured Change Management process framework.

Preferred Certifications:

  • VMware Certified Professional (VCP)
  • Citrix Certified Associate / Professional (CCA-V / CCP-V)
  • AWS Certified Solutions Architect or SysOps Administrator

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:

September 15, 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 $131,300.00 - $237,350.00

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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