Data Center System Administrator

Leidos Holding$73K — $132K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of relevant experience in data center operations
  • Strong knowledge of data center standards and best practices
  • Experience with Tier 2 system administration and troubleshooting equipment
  • Familiarity with ITSM tools, particularly ServiceNow
  • Excellent communication and mentoring skills
  • Ability to manage time effectively in high-pressure situations
  • Relevant certifications (Cloud+, Security+ CE, etc.) per DoDM requirements

Responsibilities

  • Rack and stack data center equipment including servers and network switches
  • Implement and maintain redundancy and power solutions in the data center
  • Work with customers to resolve service inquiries and incident tickets
  • Develop solutions for complex technical issues and provide follow-up documentation
  • Support operational requirements in a 24/7 environment, including after-hours emergency response
  • Update technical documentation for ongoing operations
  • Mentor junior personnel and provide guidance on major projects

Benefits

  • 24/7 operational support enhancing team versatility
  • Opportunity to mentor and influence junior team members
  • Engagement in a variety of technical challenges within a collaborative team
  • Support for continuous learning and skill development through complex problem-solving
  • Dynamic environment with exposure to hybrid cloud systems
Full Job Description
The Digital Sector of Leidos is seeking a Data Center System Administrator to support data center operations. The System Administrator will rack and stack equipment, support upgrades and consolidations, ensure power is transferred if there is a power failure, and provide general data center system administrator support. They will support hybrid cloud-hosting alternatives. This individual will work in a team environment to ensure mission needs are met and ensure functionality of capabilities of customers.

Primary Tasks:
  • Be able to work with and employ rack level redundancy techniques, rack standards, properties and selection criteria, and power rail/strip options, cold aisle/hot aisle containment, and standards for fire suppression, security and safety.
  • Support implementation, troubleshooting and maintenance of physical equipment to include servers, storage arrays, network switches etc. Rapidly distinguish isolated system problems vs data center-wide outages.
  • Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements.
  • Develop solutions to complex technical issues.
  • Provide follow-up reports (technical findings, feedback, resolution steps taken) for root cause analysis, engineering technical assessment and process improvement initiatives.
  • Support customer requirements in a 24/7/365 mission environment and be able to respond to after-hours emergency calls (power/cooling disruption).
  • Update operations and maintenance documentation for 24/7/365 personnel.
  • Mentor junior team members to include temporary military support for major projects.


Basic Qualifications
  • Experience with interacting with customers to handle service inquiries and problems.
  • Experience working in a data center.
  • Knowledge of data center standards and best practices.
  • Knowledge of power infrastructure layout from generation to rack level, redundancy levels and techniques, rack standards, properties and selection criteria, and power rail/strip options, cold aisle/hot aisle containment, and standards for fire suppression, security and safety.
  • Experience with Tier 2 system administration to include connecting crash carts and configuring remote management interfaces to restore administrator remote access and following prescribed procedures to restore servers.
  • Experience troubleshooting issues in a growing environment.
  • Time management skills.
  • Strong oral and written communications skills.
  • Track record of working effectively within a team and support to peers toward improved processes and results.
  • Experience with IT Service Management (ITSM) products such as ServiceNow.
  • Experience mentoring others.


Certifications
  • Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) - IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher)


Education
  • Candidate must have a BS with 4 years of prior relevant experience or Masters with 2 years of prior relevant experience. Additional years of experience may be considered in lieu of degree.


Clearance
  • Due to the nature of the government contracts we support, US Citizenship is required.
  • An active TS/SCI with Poly required for Position or TS/SCI and willingness to obtain and maintain a required specific polygraph.


Original Posting:
August 3, 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 $73,450.00 - $132,775.00

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.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

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For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

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Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

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Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

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