Senior Solaris Engineer

General information

Requisition #

R71984

Locations

USA-VA-Chantilly

Posting Date

11/10/2026

Security Clearance Required

Top Secret

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

• This is for a future opportunity*

MANTECH seeks a motivated, career and customer-oriented Senior Solaris Engineer to join our team in Chantilly, VA.

Responsibilities include but are not limited to:

• Building and hardening Linux master OS images and deploying for use by other stakeholders
• Building and hardening Solaris master OS images and deploying for use by other stakeholders
• Monitoring and baselines OS and application performance hosted on Linux and Solaris systems
• General system administration for Linux and Solaris OSes, including account management, creation and automation of SOPs
• Design system internals file system structures, backup and recovery methodologies, and storage data replication
• Work with system administrators to perform on-going maintenance
• Ensure compliance with all regulations, optimizing system performance, and supporting future planning

Minimum Qualifications:

• Bachelor's Degree or equivalent of 6 years of relevant working experience.
• 5+ years of Unix operating system experience, one year specifically in Solaris 8 or later
• 5+ years Linux operating system experience including: system internals file system structures, design, and performance tuning at an enterprise level backup recovery testing methodologies storage data replication, and DISA system hardening guidelines
• General knowledge of ITIL and the use of MS Project
• DoD Cyber Certification equivalent to IAT-Level II

Preferred Qualifications:

• 10+ years of Unix operating system experience
• 8+ years Linux operating system experience
• 2+ years of experience implementing Oracle Label Security
• Desired Oracle Certified Professional (OCP) credentials as an Oracle Solaris System Engineer
• ITIL Foundations Certification
• Demonstrated expertise in automation, orchestration, and AI-assisted software development practices
• Expertise applying automation to building, hardening and deploying Solaris/Linux master imaging
• Experience using Agile task tracking tools to manage, execute, and report against integrated schedules.
• Experience developing automated test frameworks
• General understanding of System Engineering processes, lifecycle standards (IEEE/ISO/IEC 15288-2023), Risk Management Frameworks, and NIST 800-53
• DoD Cyber Certification equivalent to IAT-Level III

Clearance Requirements:

An active Top Secret security clearance with SCI eligibility

Willingness to take CI polygraph

Physical Requirements:

Must be able to remain in a stationary position 50%.

Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $128,000.00-$214,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.