System Administrator TS/SCI Polygraph

Koitecc Solutions; Alexandria (VA); On-site; USD 73,000 - 133,000; Full time

Benefits offered by this job

401K with company match

Paid time off

11 paid holidays

Education and training support

Job summary

Leidos is seeking a Systems Administrator to support a critical MD-based mission, located in Alexandria, VA. You will join an agile team using SAFe practices, responsible for daily system administration, O&M, and the sustainment of a distributed network environment with emphasis on site setup and maintenance in Alexandria.

The role requires a TS/SCI with Polygraph clearance, 4–8 years of relevant IT experience (or 2–6 with a Masters), and travel up to 10%.

Qualifications

• BS with 4–8 years of relevant IT experience, or MS with 2–6 years.
• Experience with IT/software programs using complex equipment (routers, switches, LANs, cabling, Windows/Linux, VMware).
• Data Center design and configuration experience.
• Experience with IT system optimization and monitoring.
• Hands-on customer service experience in IT.
• Ability to report quickly and provide status updates, even off hours.
• Travel up to 10% and monthly in Annapolis Junction, MD.
• Clearance TS/SCI with Polygraph.

Responsibilities

• Monitor infrastructure systems, applications, and processes; identify and resolve issues.
• Support infrastructure systems and resolve hardware/software incidents affecting local users.
• Collaborate with senior System Administrators, including remote work when needed.
• Handle IT Help Desk calls and emails professionally and timely.
• Use monitoring tools to identify alarms and resolve root causes.
• Troubleshoot hardware/software issues and network connectivity.
• Provide technical assistance to related work groups and maintain documentation.
• Participate in creating and maintaining incident resolution materials.

Skills

Help desk experience

System monitoring

Troubleshooting hardware & software

Customer communication

Documentation

Education

Bachelor's degree in IT / CS or related field

Tools

Windows Server

Linux

VMware

Networking equipment (Switches/Routers)

Job description

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 entailed 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.

• 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. We look forward to learning more about you.

careers.leidos.com/CONMD

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

May 1, 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

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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

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 at www.leidos.com/careers/pay-benefits.

Commitment to Non-Discrimination

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.