The Platform Systems Administrator Lead manages the functionality, performance, and administration of operating systems, applications, web platforms, and SharePoint environments. Responsibilities include system configuration, administrator and service accounts, access controls, software installation, patches, documentation, and system performance.
The person in this role will configure system modules, workflows, forms, business rules, web content, and SharePoint components to support organizational requirements. They will also maintain internal and external web content, hyperlink integrity, file transfers, HTML scripting, and content publishing.
The role integrates systems and applications through APIs and web services, develops automated workflows, reports, dashboards, and analytics, and resolves complex technical issues spanning multiple systems. They collaborate with internal teams, clients, vendors, and subcontractors to deliver project objectives and influence technical solutions and processes.
*This position requires candidates to already possess a Secret clearance.
*U.S. citizenship required. Ability to successfully pass criminal history, fingerprint background checks, and credential verification required.
Responsibilities
Configure, manage, and maintain enterprise platforms including Salesforce, Amazon Connect, SharePoint, web applications, operating systems, and associated applications.
Establish and manage administrator and service accounts, user roles, permissions, and access controls to ensure system and data security.
Install, validate, and maintain system-wide software, patches, upgrades, and enhancements to ensure performance, stability, and compliance.
Customize and configure system modules, workflows, forms, fields, business rules, UI policies, automation processes, and web-based functionality.
Administer and maintain internal and external web pages and SharePoint sites, including content updates, file transfers, hyperlink integrity, HTML scripting, and posting new material.
Integrate systems and applications through APIs, web services, and integration tools to ensure data consistency and efficient information exchange.
Develop and manage reports, dashboards, and analytics to provide insights into system performance, utilization trends, and operational improvements.
Manage platform data activities including imports, exports, transformations, and data cleanup to maintain integrity and accuracy.
Monitor system health and performance, conduct audits, perform preventive maintenance, and troubleshoot Level 2 and Level 3 technical issues.
Coordinate with development teams and stakeholders to gather requirements, develop solutions to complex technical issues, and support system enhancements and releases.
Plan and oversee system upgrades and environment changes through established configuration and change management processes.
Support disaster recovery planning and recovery time objectives (RTO), including backup and restoration activities.
Serve as a technical point of contact and collaborate with internal teams, clients, vendors, and subcontractors on technical solutions, processes, and system support.
Provide technical guidance and work direction to less experienced staff and support achievement of project and program objectives.
Maintain accurate documentation of system configurations, procedures, web content, and updates.
Perform additional duties as assigned.
Required Qualifications
Must have a Secret clearance.
Bachelor’s degree in a related technical discipline with a minimum of eight (8) years of operating systems and systems administration experience, including supervisory or team lead experience, or a Master's degree with six (6) years of experience.
In-depth knowledge of cloud technologies, system design, implementation, and remote management.
Strong technical expertise in server and platform administration.
Experience configuring and supporting enterprise applications and integrated platforms.
Excellent troubleshooting and analytical skills with the ability to diagnose and resolve complex technical issues.
Strong understanding of system security controls, access management, and compliance requirements.
Strong written and verbal communication skills and the ability to collaborate effectively with technical teams, stakeholders, and vendors.
Ability to manage multiple projects and priorities in a fast-paced environment.
Detail-oriented with a strong focus on accuracy and quality.
Demonstrated ability to work independently and determine appropriate methods and procedures for new assignments.
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Pay Range $92,300 - $143,775
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.
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 3, 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
- Must already possess an active Secret security clearance.
- Bachelor's degree in a related technical discipline and at least eight years of operating systems and systems administration experience, including supervisory or team lead experience; alternatively, a master's degree and six years of experience.
- U.S. citizenship.
- Ability to successfully pass criminal history, fingerprint background checks, and credential verification.
- In-depth knowledge of cloud technologies, system design, implementation, and remote management.
- Strong technical expertise in server and platform administration.
- Experience configuring and supporting enterprise applications and integrated platforms.
- Excellent troubleshooting and analytical skills for diagnosing and resolving complex technical issues.
- Strong understanding of system security controls, access management, and compliance requirements.
- Strong written and verbal communication skills and ability to collaborate with technical teams, stakeholders, and vendors.
- Ability to manage multiple projects and priorities in a fast-paced environment.
- Detail-oriented approach with strong focus on accuracy and quality.
- Ability to work independently and determine appropriate methods and procedures for new assignments.
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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