System Administrator TS/SCI Polygraph

Leidos LLC; Alexandria (VA); On-site; USD 73,000 - 133,000; Full time

Benefits offered by this job

Sign-on bonus $15k

401K match

Paid time off

Job summary

Leidos in Alexandria, VA seeks a Systems Administrator to support our MD customer’s mission within an agile SAFe team. You will monitor infrastructure, handle incidents, and coordinate with senior staff across locations.

Responsibilities include IT help desk support, troubleshooting, security scanning, IAVAs, and documentation. Willingness to travel up to 10% and on-site work in VA required; TS/SCI with Polygraph clearance is preferred.

Qualifications

• BS and 4–8 years of relevant experience; Masters with 2–6 years accepted.
• Experience with IT/software programs using complex equipment (Switches/ Routers/ LANs/ Cabling).
• Experience with Data Center design/configuration (rack, power, placement).
• Able to respond quickly to customer inquiries and provide status reports.
• Willing to travel up to 10% and work from Annapolis Junction, MD monthly.

Responsibilities

• Handle IT Help Desk calls and emails professionally and timely.
• Use enterprise monitoring to identify alarms and respond to incidents.
• Troubleshoot hardware/software issues including network connectivity.
• Provide technical assistance across projects and maintain inter-department relations.
• Document resolution steps and publish status for outages.

Skills

Help Desk

Networking

Windows/Linux

VMware

Data Center

Education

BS or MS in IT/related field

Tools

VMware

Monitoring tools

Security scanning tools

Job description

Lucky you! This role comes with a $15k SIGN ON BONUS! Leidos has a new and exciting opportunity for a Systems Administrator in our INTEL SECTOR- Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! We have an exciting opportunity for a Systems Administrator to support our MD customer’s mission. Important: the work location here will be in Alexandria, VA. You will join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a highly complex and fast-paced program. The selected candidate will be responsible for performing daily system administration and O&M support activities in support of a complex network environment with geographically distributed systems. The position entails the daily sustainment of existing computing and network systems at various locations, with a primary focus on the set-up and maintenance of a company site in Alexandria.

Primary Responsibilities The selected individual will be responsible for monitoring infrastructure systems, applications, and processes, and for ensuring that all issues are identified, tracked, and resolved in a timely manner. She/he will provide support for various infrastructure systems and will respond to hardware and software incidents impacting local users. She/he will work with and take direction from senior System Administrators, at times working with them remotely from other locations.

Responsibilities include:

• Handling IT Help Desk calls and emails, ensuring all interactions are handled timely and in a professional manner.
• Utilizing enterprise monitoring solutions to identify alarms that have been triggered against the environments.
• Working with more senior technicians in identifying, troubleshooting, and correcting hardware and software issues including network connectivity.
• Providing technical assistance to companion work groups in support of overlapping projects and maintaining good inter-departmental relations.
• Communicating with users and publishing status of any system outages, as needed.
• Proactively contacting customers when infrastructure processes are significantly delayed or may impact their ability to complete a business function on time.
• Executing the process for managing information assurance vulnerability alerts (IAVAs) and system security scanning for equipment suites in accordance with the System Security Plans for these systems to identify and remediate IAVAs rapidly and accurately.
• Participating in the creation and ongoing maintenance of documentation to ensure clear, concise, and accurate information is readily available to assist with incident resolution.
• Undertaking project work and providing support for implementing IT enhancements.

Required Qualifications BS and 4 – 8 years of prior relevant experience or Masters with 2 – 6 years of prior relevant experience. Additional experience may be substituted for a degree. Must have experience working on an IT/software program that utilizes complex equipment/systems (ex. Network Switches, Routers, LANs, & cabling, Windows/Linux operating systems, VMware, etc.). Must have experience with Data Center design and configuration (e.g., rack and stack, power, placement, etc.). Must have experience or familiarity with IT system optimization, monitoring, and/or other technical set-up and troubleshooting. Must have direct, hands‑on experience helping users in an IT or similar customer service capacity. Must be capable of responding very quickly to customer inquiries in a clear, concise manner, to include providing detailed and comprehensive status reports and follow‑ups; including while off duty, on an as-needed on‑call basis. Must be able to travel up to 10% of the time if required. Must report to work in the Annapolis Junction, MD office at least once per month.

Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications:

• Experience or familiarity with security standards, software architectures, and/or Network security technologies (Multiple Domain, PKI, SSP, Vulnerability Assessment, etc.).
• Experience supporting a software configuration management and development environment.
• Experience working in an Agile Development Environment or on an Agile Team.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business.

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.

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

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 Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. 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 [e-mail].

Commitment and 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.