Principal System Administrator (Linux) (Onsite)

Date Posted: 2026-07-08 Country: United States of America Location: US-MA-MARLBOROUGH-MA4 ~ 1001 Boston Post Rd ~ BLDG 4 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Top Secret Security Clearance Status: Active and existing security clearance required after day 1 Collins Aerospace has an immediate career growth opportunity with our DT - Information Workplace Services team for a talented Principal Systems Administrator / Analyst.  You will collaborate with a team of DT professionals to support fast-paced, critical programs with classified information system capabilities; develop, implement and maintain secure, cost-efficient 24x7 environments across various classified programs; define computing requirements and create end-to-end solutions to solve complex IT infrastructure problems. ** This is an Onsite role is based in Marlborough, MA and eligible for relocation assistance.** What YOU will do: Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment supporting Windows Server internals and/or Linux fundamentals to include DNS, DHCP, AD, and server replication methods.  Working as a team member in a fast-paced technological environment.  Use troubleshooting techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of hardware and operating systems (OS). Using data RAID and data backup technologies; installation an configuration of software applications; work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures. Qualifications You Must Have:   Typically requires a University Degree and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience Minimum 5 years of direct hands-on Linux administration experience and systems analysis / administration / networking experience with combinations of technologies such as:  Active Directory, WSUS, VMware, Veeam, MySQL, Remote Desktop Gateway, Splunk, Windows and Linux administration; experience with backup, recovery, and disaster recovery. Experience supporting Linux Server architectures to include troubleshooting solutions and documentation of technical problems / actions.  Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification) within 6 months of start date. The ability to obtain and maintain a U.S. government DoD Secret security clearance is required . U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.   *** Position may require infrequent domestic travel.*** Qualifications We Value:  An active DoD TS/SCI with Polygraph clearance or prior SCI/program eligibility  Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification  Direct working experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF  In-depth working experience in Windows Server Experience with data storage, NAS, and SAN technologies and solutions  Experience with using Information Technology project lifecycle management processes   Experience using VMWare vCenter, vSphere, and ESX and/or other virtual computing methods  Experience supporting engineers in software, simulations, and hardware development  Experience with Microsoft WSUS, SCCM, and/or Exchange High Performance Computing (HPC) experience in a Linux environment  Scripting Experience What We Offer: Some of our competitive benefits packages include: Medical, dental, and vision insurance. Three weeks of vacation for newly hired employees. Generous 401(k) plan that includes employer matching funds and separate. employer retirement contribution, including a Lifetime Income Strategy option. Tuition reimbursement program. Student Loan Repayment Program. Life insurance and disability coverage. Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection. Birth, adoption, parental leave benefits. Ovia Health, fertility, and family planning. Adoption Assistance.          Autism Benefit. Employee Assistance Plan, including up to 10 free counseling sessions. Healthy You Incentives, wellness rewards program. Doctor on Demand, virtual doctor visits. Bright Horizons, child, and elder care services. Teladoc Medical Experts, second opinion program.  And more!  Learn More & Apply Now! Do you want to be part of a new, exciting initiative to combine foundational IT with new digital technologies?  Our Digital Technology team is driving business efficiencies and a better customer experience by connecting technologies, people, information and processes. From making aircraft more electric, intelligent and integrated to building new software platforms such as Internet of Things, big data, artificial intelligence, and blockchain, there’s no better place to be right now than in digital. If you’re an agile thinker who enjoys utilizing modern technology to make big improvements, then you’re a perfect fit for this team. Join Collins Aerospace to help us revolutionize the aerospace industry today! WE ARE REDEFINING AEROSPACE. * Please consider the following role type definitions as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are es