Senior System Administrator – TS/SCI | High-Impact IT Ops

Cornerstone Defense; Annapolis (MD); On-site; USD 190,000 - 210,000; Full time

Benefits offered by this job

Medical, Dental and Vision Plans

Generous PTO Policy

401(k)

HSA and FSA options

Life and Disability Insurance

Tuition Reimbursement and Training

Referral Program

Leads Generation Program

CollegeAmerica 529

Fitness Reimbursement Program

Travel Assistance

Norton Lifelock Benefit Solutions

Life Planning Financial & Legal

Job summary

Cornerstone Defense is seeking a Senior System Administrator in Annapolis Junction, MD to support IT systems across client/server/storage/network devices. The role requires Active TS/SCI with Polygraph to apply and focuses on day-to-day operations, troubleshooting, and performance improvements.

Responsibilities include Tier 1/2 support, system configuration, and collaboration with agency management. A bachelor's degree is required, with substantial SA experience, and a competitive compensation

Qualifications

• Bachelor's degree in Computer Science or related discipline is required.
• Five (5) years of additional SA experience may be substituted for a bachelors degree.
• Ten (10) years' experience as a SA in programs and contracts of similar scope, type, and complexity is required.
• Three (3) years of experience installing, configuring, maintaining, troubleshooting, and using system security (container security, VM security, security boundary enforcement) tools.

Responsibilities

• Provide support for implementation, troubleshooting and maintenance of IT systems.
• Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.
• Manage the daily activities of configuration and operation of IT systems.
• Provide assistance to users in accessing and using IT systems.
• Provide support for the escalation and communication of status to agency management and internal customers.
• Optimize system operations and resource utilization and perform system capacity analysis and planning.

Skills

Windows/UNIX administration

System security

Help desk support

Education

Bachelor's degree in Computer Science

Tools

ELK

Tripwire

VMware

RedHat SELinux

Job description

Cornerstone Defense is seeking a Senior System Administrator in Annapolis Junction, MD to support IT systems across client/server/storage/network devices. The role requires Active TS/SCI with Polygraph to apply and focuses on day-to-day operations, troubleshooting, and performance improvements.

Responsibilities include Tier 1/2 support, system configuration, and collaboration with agency management. A bachelor's degree is required, with substantial SA experience, and a competitive compensation