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Parsons

Digital infrastructure and security solutions provider

Senior System Administrator

System AdministrationConfirmed live in the last 24 hours
Full-timeLinthicum Heights, MD, USA$148.3k - $266.9kIn-person

About the Job

Requirements

  • A bachelor's degree in a technical discipline and 15 years of experience as a system administrator, or a high school diploma and 20 years of experience as a system administrator.
  • Experience with Windows Server Administration, Active Directory, and Group Policy.
  • Familiarity with Linux Server Administration.
  • Familiarity with VMware/ESXi, VMware Virtual Networking, and VMware vCenter.
  • Experience with networking switching and router management.
  • Experience with storage management using NetApp.
  • Experience with hardware and operating system troubleshooting.
  • Experience with system hardening.
  • Experience with security compliance scanning using Nessus and ACAS.
  • Understanding of project design within the scope of security requirements under the Risk Management Framework.
  • An active Top Secret SCI security clearance with polygraph is required.
  • An active DoD IAT Level II certification is required, such as CCNA-Security, CySA+, GICSP, GSEC, Security+ CE, CND, or SSCP.
  • Ability to demonstrate cyber or IT-related experience, attention to detail, customer service, oral and written communication, and problem solving.

Responsibilities

  • 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 organizational 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.
  • Repair faulty system and server hardware.
  • Troubleshoot hardware/software interface and interoperability problems.

About the Company

Parsons

Digital infrastructure and security solutions provider

Parsons provides digitally enabled solutions in national security, defense, and global infrastructure. Its work spans government and commercial clients, offering services in systems and software engineering, quality assurance, compliance, and security, along with large-scale infrastructure projects and advanced technology implementations. The company helps clients by delivering long-term, contract-based engagements that include AI readiness, data preparation for AI applications, and secure, reliable systems. A key differentiator is its breadth across diverse markets and its emphasis on rigorous systems engineering, QA, compliance, and security to ensure the integrity of critical operations while harnessing AI to improve efficiency and safety. Parsons’ goal is to solve complex security and infrastructure challenges through measurable, value-driven solutions and long-lasting partnerships with clients.

Company size
10,001+
Company stage
IPO
Headquarters
Chantilly, VA
Founded
1944

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