Senior System Administrator with Security Clearance

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

Benefits offered by this job

Medical, Dental & Vision Plans

Generous PTO

401(k)

Job summary

Cornerstone Defense is seeking a Senior System Administrator to support secure enclave development networks in Annapolis Junction, MD. The role focuses on maintaining operability, implementing SOPs, and enforcing security baselines across Windows and Linux servers with VMware infrastructure.

Requirements include TS/SCI with polygraph, DoD IAT Level II (Security+), and extensive experience in system hardening, RMF, and network access control.

Qualifications

• Bachelor's degree in a technical discipline or equivalent experience in a system admin role.

Responsibilities

• Conduct functional and connectivity testing to ensure continuing operability.
• Develop and document systems administration SOPs.
• Maintain baseline system security according to policies.
• Manage accounts, network rights, and access to systems and equipment.
• Plan, execute, and verify data redundancy and recovery procedures.
• Install, update, and troubleshoot systems and servers.
• Implement and enforce local network usage policies and procedures.
• Monitor and maintain system and server configurations.
• Troubleshoot hardware/software interface and interoperability problems.

Skills

Windows Server Admin

Active Directory

Group Policy

Linux Server Admin

Networking / Switching & Router Mgmt

System hardening

Security Compliance Scanning

RMF compliance

DoD IAT II (Security+)

Customer service & communication

Education

Bachelor's degree in technical discipline

High school diploma + 20 years system admin experience

Tools

Broadcom VMware ESXi

Broadcom vCenter

Broadcom VMware Aria Suite

Broadcom VMware Cloud Foundation (VCF)

Broadcom VMware certification

NetApp Storage

Nessus

ACAS

PowerCLI

Job description

Title: Senior System Administrator Location: Annapolis Junction, MD Compensation Range: $190 -$210K

• Clearance:
• Active TS/SCI w/ Polygraph needed to apply
• Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.
• Benefits Overview: Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans
• Generous PTO Policy
• 401(k)
• HSA and FSA options
• Life and Disability Insurance
• Tuition Reimbursement and Training
• Perks at Work Discount Program
• Referral Program
• Leads Generation Program
• CollegeAmerica 529
• Fitness Reimbursement Program
• Travel Assistance
• Norton Lifelock Benefit Solutions
• Life Planning Financial & Legal Services
• Description: As a collaborative member of a small and mostly autonomous team, this position directly supports secure enclave development networks. Core Tasks :
• Conduct functional and connectivity testing to ensure continuing operability.
• Develop and document systems administration standard operating procedures.
• Maintain baseline system security according to organizational policies.
• Manage accounts, network rights, and access to systems and equipment.
• Plan, execute, and verify data redundancy and system recovery procedures.
• Install, update, and troubleshoot systems and servers.
• Comply with organization systems administration standard operating procedures.
• Implement and enforce local network usage policies and procedures.
• Manage system and server resources including performance, capacity, availability, serviceability, and recoverability.
• Monitor and maintain system and server configurations.
• Perform repairs on faulty system and server hardware.
• Troubleshoot hardware/software interface and interoperability problems.
• Required :
• Bachelor's degree in technical discipline and 15 years' experience as a System Administrator, OR High school diploma and 20 years' experience as a System Administrator
• Experience with Windows Sever Administration, Active Directory, and Group Policy
• Familiarity with Linux Server Administration
• Familiarity with Broadcom VMware/ESXi, Broadcom VMWare Virtual Networking, and Broadcom VMware vCenter
• Networking Switching and Router Management
• Storage Management (NetApp)
• Hardware and Operating System troubleshooting
• System hardening
• Security Compliance Scanning (Nessus, ACAS)
• Understanding of project design within the scope of security (RMF) requirements
• Active DoD IAT Level II certification (Security+)
• Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.
• Preferred:
• Experience leading the implementation and support of Broadcom VMware virtualized systems and infrastructure
• PowerCLI
• Broadcom VMware Aria Suite, formerly called vRealize Suite
• Broadcom VMware Cloud Foundation (VCF)
• Broadcom VMware Certified Professional or other relevant VMware certification.