Sr. System Administrator (ONSITE)
About The Position
The Sr. System Administrator, internally known as a Sr. Information Workplace Services professional, is based onsite in Andover, Massachusetts, and supports critical programs involving classified information systems. The role collaborates with program teams to define computing requirements and develop end-to-end solutions for complex IT infrastructure challenges. It develops, implements, and maintains secure, cost-efficient environments across classified programs. The position provides IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment and works with cybersecurity professionals to maintain security requirements. It also documents and trains others on advanced IT processes and procedures. Systems operate 24x7, and work beyond standard hours may occasionally be required. The role requires an active, existing U.S. government Secret clearance on day one, and the employee must be able to obtain DoDD 8140/8570 certification, such as CompTIA Security+ CE or an equivalent certification, within a reasonable amount of time.
Requirements
- A university degree or equivalent experience and at least 2 years of relevant experience, or an advanced degree in a related field.
- Ability to obtain an interim U.S. government-issued Secret security clearance prior to starting; U.S. citizenship is required.
- Experience administering and securing Windows and RHEL servers.
- Experience securing system configurations and performing system hardening.
- Must be able to obtain DoDD 8140/8570 certification requirements, such as CompTIA Security+ CE or an equivalent certification, within a reasonable amount of time.
- An active and existing security clearance is required on day one.
- Must be able to work onsite in Andover, Massachusetts; systems operate 24x7 and may occasionally require work beyond standard hours.
Nice To Haves
- Experience serving as a technical subject matter expert or primary point of contact for patching, vulnerability remediation, or compliance initiatives.
- Hands-on experience with MECM/SCCM, PXE boot services, OS imaging, and automated software deployment frameworks.
- Familiarity with NetApp storage and/or HPC environments.
- Experience with enterprise Windows services, including Active Directory, Group Policy, and identity integration.
- Familiarity with cybersecurity and compliance tools such as ACAS, SCAP, Splunk, and STIG Viewer, and with audit support processes.
Responsibilities
- Provide IT systems administration in a heterogeneous Microsoft Windows and Red Hat Enterprise Linux environment.
- Apply knowledge of Windows Server internals or Linux fundamentals, including DNS, DHCP, Active Directory, and server replication methods.
- Work as a team member in a fast-paced technological environment.
- Work with cybersecurity professionals to maintain security requirements.
- Provide documentation and training on advanced IT processes and procedures.
- Perform other tasks as assigned.
Benefits
- Relocation assistance, subject to eligibility requirements.
- Medical insurance.
- Dental insurance.
- Vision insurance.
- Life insurance.
- Short-term disability insurance.
- Long-term disability insurance.
- 401(k) match.
- Flexible spending accounts.
- Flexible work schedules.
- Employee assistance program.
- Employee Scholar Program.
- Parental leave.
- Paid time off.
- Holidays.
- Potential eligibility for annual short-term and/or long-term incentive compensation programs; payments are not guaranteed.
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
