Systems Administrator (Secret Clearance)

Systems Administrator

Location: Onsite at Aberdeen Proving Grounds, MD (No Remote Work)

Clearance: Must be a U.S. Citizen with an Interim Secret Clearance or Higher (Upgradeable to Top Secret)

Salary: Dependent on skills, experience, education, and certifications

Benefits: Competitive package including Medical, Dental, Vision, 401K, Short-Term Disability, Long-Term Disability, Life Insurance, PTO, and Paid Holidays

About Sebastian Tech Solutions

Sebastian Tech Solutions is seeking a highly motivated and self-directed Systems Administrator to support our customer at Aberdeen Proving Grounds, MD. The selected candidate will play a key role in ensuring system reliability, security, and performance while working in a collaborative team environment. This individual will support various IT operations, including troubleshooting outages, managing enterprise infrastructure, ensuring compliance with DoD security standards, and maintaining maximum system availability.

Responsibilities:

• Provide 24/7 operational support to ensure full functionality of client services.
• Troubleshoot system outages to restore performance and recover services quickly.
• Assist with the implementation, configuration, and maintenance of various IT technologies, including virtual servers, web hosting, data backup, endpoint security, and enterprise monitoring.
• Ensure all client services comply with DoD 8500 series and NIST 800-53 security requirements.
• Develop systems architecture documentation and engineering/administration guidelines.
• Research, evaluate, and integrate innovative technologies into the environment.
• Create and execute test plans for new hardware and software implementations.
• Manage server backups, restore operations, and disaster recovery plans in alignment with SOPs.
• Apply patches, updates, and software installations on servers and workstations.
• Administer system security tools, including ACAS, SCAP, and Radix.
• Ensure compliance with Cybersecurity Vulnerability Alerts and Security Technical Implementation Guides (STIGs).
• Monitor server logs and provide reports to the Information Systems Security Manager (ISSM) as required.
• Conduct preventative maintenance and server patching, sometimes after business hours.
• Participate in Change Management Control processes and submit Requests for Change.
• Provide engineering consulting and compliance management as needed.
• Train technical staff and users on IT system operations and security best practices.

Required Qualifications:

• Education & Experience:
• Minimum: High School Diploma with 12 years of relevant experience.
• Preferred: Bachelor's Degree with 10 years of experience.
• Clearance: Interim Secret Clearance required; must be upgradeable to Top Secret.
• Certifications:
• Must meet DoD 8570.01-M baseline certification requirements upon hire.
• Computing environment certification (relevant to job duties) must be obtained within 6 months of hire.
• Technical Skills:
• Windows Server 2019/2022, RHEL 7 and 9.
• Enterprise tools: Satellite, Puppet, Ansible, Centrify, JAMF.
• Apple OS X Windows integration.
• Veeam Backup, ExaGrid disk appliances, PureStorage flash storage.
• Citrix XenDesktop, XenApp, NetScaler.
• Active Directory, Group Policy, Microsoft IIS, Apache.
• Security tools: McAfee HBSS, Army AESS ePO Server, Splunk Enterprise Security.
• Microsoft Endpoint Configuration Manager (MECM), WSUS.
• Experience with Change Management processes.
• Ability to work independently and in a team environment.
• Strong verbal and written communication skills.

This position requires a dedicated professional who thrives in a fast-paced environment and is committed to maintaining a secure and efficient IT infrastructure. If you are an experienced Systems Administrator looking for a challenging opportunity with competitive benefits, we encourage you to apply today!