Join us in transforming how technology serves those who serve.
At Leidos, we're not just delivering solutions – we're pioneering the future of defense and intelligence technology. Our diverse teams of innovators unite around a singular purpose: empowering our customers to succeed in their critical missions. We believe in leading with integrity, investing in our communities, and building sustainably for tomorrow.
Shape the future of digital defense.
Our Digital Modernization sector is at the forefront of next-generation technology, architecting cutting-edge solutions in cyber defense, logistics optimization, security operations, and decision intelligence. We're the minds behind the mission-critical systems that keep our nation secure.
Ready to engineer solutions that matter?
Primary Tasks
The Digital Modernization Sector at Leidos is seeking a dynamic Sr Linux Systems Administrator to support cloud modernization initiatives for the United States Coast Guard (USCG) at Command, Control, Communication, Computer, Cyber, and Intelligence Service Center (C5ISC) in the Alexandria, VA area. This role is part of a high-impact program focused on delivering secure, scalable cloud solutions that enable operational agility and resilience across the USCG enterprise. As a Sr Linux Systems Administrator, you’ll be responsible for managing and optimizing mission-critical systems across Red Hat Enterprise Linux (RHEL) and Windows platforms in AWS and Azure environments. This role is essential to maintain operational integrity, security compliance, and performance across hybrid cloud deployments. You’ll work closely with cloud engineers, cybersecurity analysts, and program leadership to drive continuous improvement and deliver value to the mission.
Key Tasks
- Administer, patch, and harden Red Hat Enterprise Linux (RHEL) / CentOS / Ubuntu servers supporting mission-critical applications.
- Install, configure, and maintain UiPath Orchestrator and supporting services on Linux hosts, including integration with load balancers, reverse proxies, and databases (PostgreSQL/MSSQL).
- Manage system performance, capacity planning, and troubleshooting for automation infrastructure.
- Set up virtual machines, storage, networks, and other cloud services on platforms in AWS and Azure.
- Use tools to track system health, uptime, and resource usage, ensuring optimal performance.
- Implement access controls, encryption, and security policies to protect data and meet regulatory requirements.
- Diagnosing and resolving issues related to cloud services, connectivity, or performance.
- Write scripts (e.g., in Bash, PowerShell, or Python) to automate repetitive tasks like backups, updates, and deployments.
- Automate provisioning, configuration management, and patching using Ansible, Puppet, or similar tools.
- Implement and maintain security controls in accordance with STIGs, RMF, or applicable compliance frameworks.
- Support high-availability, clustering, and disaster recovery configurations.
- Collaborate with RPA developers, DevOps, and network teams to ensure seamless automation pipeline operations.
- Manage user access, certificates, and secure service accounts.
- Support cross-functional coordination across engineering, cybersecurity, and program management teams.
- Promote continuous improvement through feedback loops and process refinement.
- Ensure alignment with USCG mission priorities and Leidos delivery standards.
Basic Qualifications:
- Bachelor’s degree in a related field (e.g., Computer Science, Information Systems, Business).
- 12+ years of experience in cloud infrastructure engineering or or Masters with 10+ years of prior relevant experience. May possess a Doctorate in technical domain. Experience may be considered in lieu of degree.
- Minimum 5+ year of Administration experience with cloud-based applications (MS O365, SharePoint, Azure AD, AWS)
- Experience with UiPath is a strong need.
- Strong hands-on experience with RHEL and Windows Server environments.
- Strong understanding of cloud architecture and services.
- Scripting skills in PowerShell, Bash, or Python.
- Familiarity with security hardening standards (e.g., DISA STIGs, CIS benchmarks).
- Experience working with UiPath systems is a big plus.
- Experience managing systems in AWS and/or Azure cloud platforms.
- Experience with monitoring tools like CloudWatch, Datadog, and Prometheus.
- Experience with automation tools like Terraform or Ansible.
- Experience with virtualization and containerization (e.g. Docker, Kubernetes).
- Familiarity with cloud networking, storage, and backup solutions.
- Excellent facilitation, communication, and stakeholder engagement skills.
- Ability to work in a fast-paced, mission-driven environment.
- Certifications such as AWS SysOps Administrator, Azure Administrator, or CompTIA Security+.
- Must be a U.S. Citizen and able to obtain a Public Trust and DoD Secret Clearance.
Preferred Qualifications
- Prior experience supporting DHS, USCG, or other federal cloud modernization efforts.
- Strong documentation, communication, and cross-functional collaboration skills.
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:July 21, 2026For 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.
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.
Skills Required
- Bachelor's degree in a related field (or equivalent experience)
- 12+ years of experience in cloud infrastructure engineering (or Masters with 10+ years)
- Minimum 5+ years administration experience with cloud-based applications (MS O365, SharePoint, Azure AD, AWS)
- Experience with UiPath Orchestrator and UiPath systems
- Hands-on experience with Red Hat Enterprise Linux and Windows Server environments
- Strong understanding of cloud architecture and services (AWS and/or Azure)
- Scripting skills in PowerShell, Bash, or Python
- Familiarity with security hardening standards (DISA STIGs, CIS benchmarks) and RMF
- Experience managing systems in AWS and/or Azure cloud platforms
- Experience with monitoring tools such as CloudWatch, Datadog, and Prometheus
- Experience with automation/configuration tools (Ansible, Puppet, or Terraform)
- Experience with virtualization and containerization (Docker, Kubernetes)
- Familiarity with cloud networking, storage, and backup solutions
- Excellent communication, facilitation, and stakeholder engagement skills
- Ability to obtain a Public Trust and DoD Secret Clearance; must be a U.S. Citizen
- Certifications such as AWS SysOps Administrator, Azure Administrator, or CompTIA Security+
- Prior experience supporting DHS, USCG, or federal cloud modernization efforts
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. 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 newly launched 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.
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