Systems Administrator

Leidos Holding • $73K — $132K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI security clearance required
  • Current Security+ certification
  • Bachelor's degree in IT, Information Assurance, or related field with 10+ years of experience (or Master's and 8+ years)
  • Strong knowledge of IT security principles and practices
  • Experience with Active Directory, imaging computers, and scanning tools

Responsibilities

  • Oversee JWICS operations for all SCIFs on site
  • Manage all Site-wide JWICS C4I systems and ensure software maintenance
  • Facilitate user support and network issue resolution
  • Conduct malware and security investigations for the Cyber Security Operations Center
  • Assist in writing and developing SSO documents and administrative tasks
  • Perform SCI security support and access JWICS systems

Benefits

  • Full-time position with potential after-hours and weekend duties
  • Opportunity to work in a dynamic, mission-focused environment
  • Chance to work both independently and as part of a team
  • Engagement with cutting-edge IT security practices
  • Potential for career growth and contributions to national security
Full Job Description
Are you ready for your next career challenge? Leidos has an opportunity for a seasoned System Administrator at Davis Monthan AFB, AZ. Candidates must possess a current TS/SCI security clearance in order to be considered.

In this role you will be responsible for overseeing JWICS operations for all Wing and subordinate unit SCIFs on site. You will also be responsible for all Site-wide JWICS Command, Control, Communications, Computers, and Intelligence (C4I) and perform JWICS specific touch maintenance to install and maintain computers, servers, and all JWICS related software and hardware. (This also includes but is not limited to account management, network storage, local authentication servers, file servers, user privileges, local group policy, local software testing, restoration operations, contingency planning, and local backups.) Ensure security patching is completed and locally downloaded, and also push JAVA, NOTAMS, and TCNO patches the AF JWICS Enterprise is unable to perform remotely.

Primary Responsibilities:
Work directly with users at the site and liaise daily with the ESD and ESC AF to help resolve user and network related issues as well as maintain the integrity of the Site domain.

Perform investigative administration operations in support of the Cyber Security Operations Center for malware, spyware, Trojans, or unauthorized software that gets detected on any device at the Site.

The position is full time daily operation and may require after hours and weekend duty via on-call support.

Work autonomously with minimal oversight as well as in conjunction with multiple personnel in the fulfillment of the individual employee's functions.

Must have the ability to gather facts and use effective analytical and evaluative methods to assess information, plan the sequence of actions necessary, make sound decisions and solve a variety of security problems.

Thorough understanding of their respective position, functions, and duties and will assist USAF and other government agencies in the creation and development of SSO documents, PowerPoint presentations, formal messages, background papers, and items of interest, staff summary packages, and other administrative tasks as necessary.

Perform SCI security support functions and have access to JWICS systems located within the SCIF.

Basic Qualifications:
  • Currently possess an active TS/SCI security clearance to start
  • Current Security + certification
  • Bachelor's degree in Information Technology (IT), Information Assurance (IA) or other related fields and 10+ years of relevant experience (or Master's and 8+ years. Additional years of relevant experience may be considered in lieu of degree


Strong experience in a full range of IT security principles, including:
  • Concepts, practices, products and services (including system software, database software and immediate access storage technology)
  • Disseminating IT security tools and procedures
  • IT security certification and accreditation requirements
  • Familiar with and use Active Directory tools to manage accounts
  • Familiar with imaging computers and upgrading operating systems
  • Familiar with using scanning tools to scan and subsequently patch devices
  • Familiar with trouble ticketing tools such as Remedy
  • Be able to remotely log in to computers as needed for maintenance
  • Be able to add and remove computers to domains
  • Be able to assign and remove security controls to user accounts
  • Be able to perform all Security Plus (Security+) type functions
  • Be able to work independently and/or with a team
  • Be familiar with and be able to modify file servers and shared permissions

AMSOPP1

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 23, 2026

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.

Internship Programs

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.

Benefits and Culture

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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Networking and Career Advancement

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.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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