Sr. Principal System Administrator - (ONSITE)

RTX•Tewksbury, MA

1d•$107,500 - $204,500•Onsite

About The Position

Sr. Principal System Administrator Lead, in infrastructure Workplace Services, will collaborate with their team to support fast-paced, critical programs with classified information system capabilities. Success in this role means you can 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-end solutions to solve complex IT infrastructure problems.

Requirements

Typically requires a university degree or equivalent experience and a minimum of 8 years of prior relevant experience or an advanced degree in a related field and a minimum of 5 years of relevant experience.
Active and transferable U.S. government issued security clearance is required on day 1.
U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
Must have working experience with the following technologies: Active Directory Domain Services, VMware vCenter or vSphere, Red Hat Enterprise Linux, Windows Client and Server, TCP/IP, DNS.
Must have experience in leading and mentoring both individuals and teams.

Nice To Haves

Organizational skills to include attention to detail, time management and ability to multitask.
Experience working with NISPOM, JAFAN, JSIG, and/or DoD/RMF guidelines.
Experience with Storage Area Network (SAN) and Network Attached Storage (NAS) systems.
Experience with configuration and maintenance of networking switch and firewall devices.
Experience with legacy system i.e. Solaris 8/9/10, Microsoft Server 2008/2012/2016. Windows NT/XP/7, Red Hat Enterprise Linux 4/5/6.

Responsibilities

Manage and optimize a heterogeneous Microsoft Windows and Red Hat Enterprise Linux server infrastructure, ensuring reliable and secure IT operations.
Mentor and guide junior administrators across a broad range of responsibilities, including corrective and preventive maintenance, routine operational tasks, account management, and system performance tuning.
Lead a team of system administrators to maintain confidentiality, integrity, and availability of assigned IT systems and applications.
Oversee and advise on tasks such as configuring administrator and service accounts, maintaining system documentation, tuning system performance, installing enterprise software, and managing computing and storage resources.
Partner with Cybersecurity teams to maintain compliance with security requirements and provide documentation, training, and guidance on advanced IT processes and procedures.
Participate in Change Request reviews and serve on Change Management Boards at various program levels.
Coordinate technical and process document reviews while troubleshooting and resolving system administration, engineering, and integration issues.
Lead and contribute to technical meetings with internal teams and program stakeholders, representing the organization on functional matters.
Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
Travel to other US Domestic locations may be required as business needs dictate. Up to 10% per year.
Must be able to obtain Department of Defense Directive (DoDD) 8140 / 8570 Certification requirements (CompTIA Security+ CE or equivalent) within a reasonable amount of time.

Benefits

Relocation assistance available, provided final candidate meets eligibility requirements
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
holidays