Systems Administrator - TS/SCI with Poly

Staffed4U • Linthicum Heights, MD

162d

About The Position

Our client is seeking a highly experienced Systems Administrator / Engineer to support and manage a secure IT infrastructure supporting mission-critical systems. The ideal candidate will bring deep expertise in Linux and Windows environments , virtualization platforms, and security systems, and will thrive in a fast-paced, mission-focused setting.

Requirements

• Active TS/SCI with Polygraph
• Bachelor’s degree in Computer Science, Engineering, Information Technology, or related field
• 20 years of experience in systems administration, engineering, or related IT field
• Security+ certification (DoD 8570 baseline requirement)
• Proficiency with Linux/Unix and Windows Server administration
• Experience configuring and managing VMWare virtualization environments
• Experience supporting STE/STN communications hardware
• Strong understanding of PKI systems and certificate management
• Ability to work independently and in collaborative team environments

Responsibilities

• Administer and maintain Linux and Windows operating systems in enterprise and mission environments
• Deploy and manage virtualized environments using VMWare technologies
• Configure, troubleshoot, and support Secure Terminal Equipment (STE) and Secure Telephone Network (STN) devices
• Manage Public Key Infrastructure (PKI) , including certificate services and secure authentication systems
• Monitor system performance, conduct routine system maintenance, and ensure system integrity and uptime
• Apply security updates, patches, and STIGs in compliance with security standards
• Provide support for system audits, vulnerability assessments, and incident responses
• Collaborate with security and network teams to ensure systems meet accreditation and compliance requirements
• Maintain clear and up-to-date documentation of configurations, processes, and procedures

Benefits

• 100% Employer-Paid Health, Dental, and Vision Insurance – Full coverage for employees
• Zero Vesting 401(k) Plan with 10% Company Contribution – Immediate access to all contributions
• 31 Days of Paid Time Off – Includes vacation, personal time, and all federal holidays
• Student Loan Repayment Assistance – Helping you pay down your educational debt
• Unlimited Certification & Training Support – Invest in your professional development
• Flexible Work Environment – Remote work options and flexible scheduling available
• Multiple Incentive Bonuses – Performance-based rewards throughout the year
• Exclusive Company Memberships – Access to curated memberships and employee perks

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level