System Administrator – Public Trust Clearance | Lexington, KY presso Cambridge International Systems Inc

System Administrator – Public Trust Clearance | Lexington, KY  

Cambridge International Systems, Inc. 

Join a dynamic global team united by shared values: commitment, integrity, and perseverance. At Cambridge, you’ll work alongside top talent worldwide, tackling some of today’s most complex and critical challenges in defense and security. 

We are currently seeking a System Administrator to support operations in Lexington, KY. This is a full-time CONUS position requiring an active DoD Public Trust clearance. This position is contingent upon contract award with an expected award date of December 2025.  

What You’ll Do 

• Maintains smooth operation of multi-user computer systems, including coordination with network engineers.   

• Monitors and manages system resources, including CPU usage, disk usage, and response times to maintain operating efficiency.   

• Performs systems security administration functions, including creating user profiles and accounts.   

• Other duties may include setting up administrator accounts, maintaining system documentation, tuning system performance, installing system wide software and allocating mass storage space.   

• Interacts with users and evaluates vendor products.   

• Makes recommendations to purchase hardware and software, coordinates installation and provides backup recovery.   

• Develops and monitors policies and standards for allocation related to the use of computing resources. May be assigned responsibility for less experienced staff. 

What You’ll Bring 

Required Qualifications: 

• Education & Experience:  

• Bachelor's degree in a related field and 3+ years of professional experience, OR 7+ continuous years of experience in a related field.   

• Technical Expertise:  

• Provides support to data analysis and engineering effort for new data requirements.   

• Tests, validates, and implements performance and resource optimization improvements in consultation with development Teams.   

• Performs database exports and imports as required. Database & Application (SQL & PL/SQL) performance tuning.   

• Performs systems backup and recovery. Manages logs, rollback segments, and archived logs.   

• Coordinates and cooperates with cybersecurity personnel eams as required.   

• Complies with appropriate Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs), and any other upgrades/modifications.   

• Provides after-hours support for systems break/fix sustainment to ensure systems are always operational outside of scheduled outages.   

• Ensures all hardware and software planned maintenance actions planned as part of a scheduled maintenance are completed within the ASI allotted time.  

• Must be proficient in using different technologies such as computers and other tools and systems pertinent to the position. 

• Certifications: 

• DOD 8570-01M certification, IAT Level II or better (e.g. Security+ CE). 

• Must have a current and active DoD Public Trust security clearance with the ability to obtain a Secret Clearance.  

• Proficient with modern IT tools and infrastructure technologies 

Travel & Passport 

• Some overnight stays possible.  

Work Environment 

• Compliance with vaccination and medical requirements for TDY/OCONUS roles as per Vaccine Recommendations by AOR | Health.mil. 

Office setting: 

• Primarily an office-based role in Lexington, KY 

• Standard desk/computer work with flexibility for walking and movement on site 

• Must be able to work in an office environment, sitting at a desk, looking at a computer for most of the workday. 

• Work is physically comfortable; the employee has discretion about sitting, walking, standing, etc. 

• May be required to travel short distances to offices/conference rooms and buildings on site.   

Background & Security 

• Employment is contingent upon successful background investigation 

• Drug screening may be required for federal contract compliance 

Benefits & Perks 

We believe in investing in our team—both professionally and personally: 

• Medical, dental, vision, life, accident, and critical illness insurance 

• 401(k) immediate vesting and match 

• Paid time off and company holidays 

• Generous tuition & training support 

• Relocation assistance 

• Sign-on and performance-based bonuses 

• Employee referral program 

• Access to Tickets at Work, EAP, wellness initiatives, and more 

Join Us 

If you're driven by mission, technology, and teamwork—we want to hear from you. Cambridge is growing, and this position is just one of many opportunities on our global team. Know someone perfect for the role? Referrals are welcome—both employees and non-employees may qualify for a bonus. 

Apply today and help shape the future of secure cloud computing for national security. 

About Cambridge International Systems 

At Cambridge, innovation grows through diversity. We are proud to be an equal opportunity employer, committed to creating an inclusive and supportive work environment for all. Learn more at www.cbridgeinc.com.