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System & infrastructure Cyber Security Administrator-Secret Clearance

Quest Defense is an organization at the forefront of innovation and one of the world’s fastest growing engineering services firms with deep domain knowledge and recognized expertise in the top OEMs across seven industries. We are part of a twenty-five-year-old company on a journey to becoming a centenary one, driven by aspiration, hunger and humility.

We are looking for humble geniuses, who believe that engineering has the potential to make the impossible, possible; innovators, who are not only inspired by technology and innovation, but also perpetually driven to design, develop, and test as a trusted partner for Fortune 500 customers.

As a team of remarkably diverse engineers, we recognize that what we are really engineering is a brighter future for us all. If you want to contribute to meaningful work and be part of an organization that truly believes when you win, we all win, and when you fail, we all learn, then we’re eager to hear from you.

The achievers and courageous challenge-crushers we seek have the following characteristics and skills:


Come Join the Journey!

What you will be doing!
This is a 3rd shift position Secret Clearance needed Flexible to move to other shifts in future Must have worked in Cleared Room

Primary Responsibilities
System Administrator for local classified networks
Maintain unclassified & classified system and network configuration
Support network assigned tasks including troubleshooting, testing, and infrastructure improvements
Coordinate with Government security/facilities/site leads for maintaining system compliance

Secondary Responsibilities
Interface with Cybersecurity teams for implementation/assessment of Cybersecurity requirements
Participate in maintenance of systems (support integrators/maintainers)
Coordinate with other stakeholders on data management, backups, etc.
Collaborate with cross-functional teams to design and architect software solutions for defense radar systems, ensuring adherence to system requirements, performance, and reliability standards.

Key Skills/Attributes
Linux/Unix administration


Cybersecurity Cert

Active Directory/Windows System Administration
Detail oriented – follow process/procedure, recommend improvements, make detailed and organized observations
Documentation focused – maintain accurate infrastructure diagrams, configurations, and internal/external interfaces (with backups)

Experience Level
Bachelor’s degree in Information Technology, Computer Science, or a related field.
Industry certifications (e.g., CompTIA A+, Microsoft Certified Systems Administrator) are advantageous.
Prior experience as a system administrator, preference to experience with classified networks
Security+, CSSP, level 2 or level 3 gov’t training
Due to nature of work, candidate must be US Citizen #cj


Quest Defense provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.