Sr System Administrator; Linux, VMWare

Location: Jessup / Annapolis Junction, MD
Employment Type: Full-Time
Experience Level: Senior
Certification

Required:

DoD IAT Level II
Clearance: TS/SCI Poly

We are seeking an experienced Systems Administrator to support mission-critical IT infrastructure in the Jessup / Annapolis Junction, Maryland area.

The ideal candidate will have a strong technical background in Linux systems administration, VMware virtualization, and Net App storage technologies
. This position involves maintaining, troubleshooting, and optimizing enterprise infrastructure to ensure system availability, performance, and security.

Install, configure, maintain, and troubleshoot Linux-based servers and operating systems.

Administer and support VMware virtualized environments, including virtual machines, hosts, and associated infrastructure.

Manage and maintain Net App storage systems to support enterprise infrastructure requirements.

Monitor system performance, availability, and capacity to ensure reliable operations.

Perform system updates, patching, upgrades, and routine maintenance.

Diagnose and resolve complex hardware, software, storage, and virtualization issues.

Implement and maintain system security configurations and best practices.

Support backup, recovery, and disaster recovery procedures.

Collaborate with engineering, networking, cybersecurity, and other technical teams to resolve infrastructure issues.

Develop and maintain technical documentation, system configurations, and operational procedures.

Identify opportunities to improve system performance, reliability, and operational efficiency.

Education and Experience – Candidates must meet one of the following:

High School Diploma and a minimum of 14 years of relevant experience
, OR

Bachelor's Degree and a minimum of 10 years of relevant experience
.

Technical Requirements:

Strong hands-on experience administering and troubleshooting Linux operating systems.

Extensive experience with VMware virtualization technologies.

Strong knowledge of Net App storage solutions and administration.

Experience supporting enterprise-level server and storage infrastructure.

Ability to troubleshoot complex system and infrastructure issues.

Knowledge of system security, patch management, and performance monitoring.

Strong analytical, problem-solving, and communication skills.

Ability to work independently and collaboratively in a technical environment.

Certification Requirement:

Must possess a current DoD IAT Level II certification
, such as CompTIA Security+ CE or another qualifying certification.

Experience supporting Department of Defense or Intelligence Community environments.

Experience with Red Hat Enterprise Linux (RHEL).

Familiarity with VMware vSphere, ESXi, and vCenter.

Experience with Net App ONTAP and enterprise storage administration.

Experience with scripting and automation using Bash, Python, or Power Shell.

Familiarity with system hardening, security compliance, and vulnerability remediation.

Experience supporting high-availability, mission-critical systems.

This position offers the opportunity to work with enterprise Linux, virtualization, and storage technologies while supporting critical technical infrastructure. The role is ideal for an experienced Systems Administrator who enjoys hands-on troubleshooting, infrastructure management, and working in a technically challenging environment.

Location: Jessup / Annapolis Junction, Maryland

• Retirement Planning
  Employer contribution of 6% of salary toward a 401(k) plan with immediate vesting and no employee match required.
• Health, Dental, & Vision Insurance
  Comprehensive medical coverage with employer-paid premiums for employees and eligible dependents.
  Dental and vision coverage may apply to dependent children only, depending on plan selection.
• Paid Time Off
  Employees receive 4 weeks (20 days) of paid time off annually in addition to 11 federal holidays.
• Professional Growth & Compensation
  Opportunities for career advancement, professional development, and competitive compensation designed to support long-term growth.
• Collaborative Culture
  Team-oriented environment that values collaboration, communication, and maintaining a positive workplace culture.
• Transparency & Leadership Support
  Commitment to open communication, honesty, and transparency across all levels of the organization.

Our client is a mission centric, people first company built on the belief that their…