Principal Linux Systems Administrator, Tewksbury, MA

Principal Linux System Administrator based in Tewksbury, MA

Principal Linux System Administrator based in Tewksbury, MA, internally known as Principal Analyst, infrastructure Workplace Services, collaborate with many teams to support exciting, critical programs with classified information system capabilities. Success in this role means you are able to develop, implement and maintain secure, cost‑efficient environments across various classified programs. Program teams rely on your collaboration and guidance to define computing requirements and create end‑to‑end solutions to solve complex IT infrastructure problems.

• Provide IT systems administration in a heterogeneous Redhat Enterprise Linux, and Microsoft Windows.
• Experience with Linux fundamentals and Windows Server internals to include Ansible, DNS, DHCP, LDAP, 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).
• Experience with data RAID, data backup uses and technologies. Install and configure software applications requested by end users.
• Work with Cybersecurity professionals to maintain security requirements and provide documentation and training on advanced IT processes and procedures and other tasks as assigned.
• 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.
• Must be able to develop solutions and documentation to solve a variety of technical problems.
• Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
• Travel is required to other US Domestic locations as business needs dictate up to 10% travel.
• Full time 100% Onsite position.

• Typically requires a University degree or equivalent experience and a minimum of 5 years of prior relevant experience or an Advanced Degree in a related field and minimum 3 years experience.
• 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. Start date will be issued when interim clearance is obtained.
• Must have Linux experience.
• Experience in one of the following: LDAP, Active Directory, VMware, MySQL, networking administration experience.

• VMware highly desired.
• An active DoD Secret clearance.
• Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent certification and an Operating System Certification).
• Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF.
• 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, MECM, and/or Exchange.
• High Performance Computing (HPC) experience in a Linux environment.
• Scripting Experience.

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value:
Trust, Respect, Accountability, Collaboration, and Innovation. The salary range for this role is 86,800 USD - 165,200 USD. Hired applicants may be eligible for benefits, including but not limited to medical, dental, vision, life insurance, short‑term disability, long‑term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays.

Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective‑bargaining agreement. Hired applicants may be eligible for annual short‑term and/or long‑term incentive compensation programs depending on the level of the position…