To our valued Leidos candidates:

Coronavirus is on everyone's mind with the effects being felt around the world. The markets are volatile, and we're all concerned for the health and safety of our families, friends, and colleagues. Please know that we're taking all necessary measures to safeguard our employees, customers and the communities in which we live, including following all recommended best practices around social distancing.

With that in mind, in an abundance of caution, we are canceling all face to face career events, such as job fairs and open house events. In the coming days and weeks, we will be hosting career events virtually, using our online chat tools so that we may continue our hiring practice safely and securely. You can find available virtual career events at

We are using telephone meetings and online chats via Brazen to conduct interviews and hiring discussions, and we are offering options for video interviews so that you can have a virtual face to face meeting with your potential new leader. We do not conduct interviews or extend offers via text or chat based social media, such as WhatsApp or MySpace.

Leidos will never ask you to provide payment-related information at any part of the employment application process, nor will Leidos ever advance money as part of the hiring process. And Leidos will communicate with you only through emails that are generated by automated system. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to Chris Scalia, Leidos’ Senior Vice President of Talent Acquisition, at [email protected].

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Job #: R-00115971
Location: San Diego, CA
Category: Systems Administration
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Remote Type: No Remote
Clearance: Secret
Referral Eligibility: Eligible
Group: Corporate

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The Dynetics-Leidos group has an opening for a Systems Administrator to work in our San Diego, CA office. This is an exciting opportunity to serve as a Systems Administrator within an established Information Security team under the direction of the Information System Security Manager (ISSM). You will collaborate closely with our IT team to ensure the reliability, security, and efficiency of our network systems and be responsible for the installation, configuration, and administration of hardware, operating systems, and software applications. Your expertise and attention to detail will ensure the smooth and secure operation of our systems, enabling our employees to work efficiently and effectively.

Primary Responsibilities

  • This role may include a combination of duties to protect information and maintain security controls for an entire system, site, or program in order to reduce risk.
  • Install, configure, and maintain servers, storage systems, and network devices, ensuring high availability and optimal performance.
  • Design, deploy, and maintain local area networks (LANs), wide area networks (WANs), and wireless networks to meet the company's requirements.
  • Monitor system performance, troubleshoot issues, and proactively address potential problems to minimize downtime and ensure smooth operations.
  • Perform network troubleshooting and resolve network-related problems, including connectivity issues, hardware and software malfunctions, and network configuration errors.
  • Manage user accounts, permissions, and access controls to ensure data integrity and security.
  • Implement and maintain network security measures, including firewalls, intrusion detection systems, and VPNs, to protect the company's data and systems from unauthorized access and security threats.
  • Implement and maintain backup and disaster recovery strategies to protect critical data and systems.
  • Perform regular system updates, patches, and upgrades to keep systems secure and up to date.
  • Conduct regular network assessments and audits to identify areas for improvement and implement network optimization strategies.
  • Monitor and respond to system alerts and security incidents, conducting thorough investigations and implementing appropriate remediation measures.
  • Maintain system documentation, including configuration details, procedures, and troubleshooting guides.
  • Install hardware and software as required.
  • Stay up to date with industry trends and advancements in systems administration, network technology, recommending and implementing improvements and best practices.

Basic Qualifications

  • An active DoD Secret clearance is required for consideration.
  • Bachelor's degree in Computer Science, Information Technology, or a related field with 2 – 4 years of direct experience. Additional years of experience may be substituted in lieu of degree.
  • Possess a current DoD 8570.01 compliant certification, e.g. Security + w/CE, or the ability to obtain either within 6 months of employment.
  • In-depth knowledge of network protocols, technologies, and architectures, including TCP/IP, DNS, DHCP, VLANs, routing, and switching.
  • Proficiency in operating systems such as Windows Server, Linux, or Unix.
  • Hands-on experience with network equipment, such as routers, switches, firewalls, and wireless access points.
  • Experience with Active Directory, Group Policy, and user account management.
  • Familiarity with backup and disaster recovery solutions.
  • Strong understanding of network security principles and best practices.
  • Strong communication and interpersonal skills, with the ability to effectively collaborate with team members and communicate technical concepts to non-technical stakeholders.

Preferred Qualifications

  • Current DoD Top Secret clearance
  • Vulnerability assessment and analysis experience utilizing SCAP, ACAS/NESSUS and DISA STIGs
  • Experience with DoD implementation of the Risk Management Framework (RMF) and governing directives (NIST, CNSS, DCSA, etc.)
  • Familiarity with the Defense Counterintelligence and Security Agency Assessment and Authorization Manual (DAAPM)

Pay Range:

Pay Range $54,600.00 - $84,000.00 - $113,400.00

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

Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 46,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022.  For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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