Senior Linux/Windows Systems Administrator

Ascension Federal Services Inc.; Springfield (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Ascension Federal Services Inc. seeks a Linux/Windows Systems Administrator to design, implement, and maintain a secure server infrastructure. The role requires strong expertise in Linux and Windows operating systems, scripting, and security practices.

The candidate will monitor performance, apply patches, and collaborate with developers, network admins, and security teams. Location: Springfield, VA; Clearance: TS/SCI.

Qualifications

• Bachelor's degree in CS/IT or related field.
• Security+ certification or equivalent cybersecurity certification.
• Proven experience in Linux and Windows system administration.
• Strong scripting skills in Bash, Python, or PowerShell.
• Familiarity with virtualization technologies (VMware, Hyper‑V).
• Knowledge of network protocols, firewalls, and security best practices.
• Excellent troubleshooting and problem‑solving skills.
• Effective communication and interpersonal skills.

Responsibilities

• Install, configure, and maintain Linux and Windows servers.
• Perform routine system monitoring, analysis, and troubleshooting.
• Collaborate with cross‑functional teams to design and implement upgrades, patches, and new applications.
• Implement and maintain security measures to safeguard systems.
• Conduct regular security audits and vulnerability assessments.
• Develop and maintain scripts to automate routine tasks and document configurations.
• Provide technical support to end users for Linux and Windows issues.
• Collaborate with the helpdesk to resolve escalated tickets.
• Implement monitoring solutions and perform performance tuning to optimize systems.
• Communicate technical information effectively to non‑technical stakeholders.

Skills

Linux administration

Windows administration

Scripting (Bash, Python, PowerShell)

Security best practices

Virtualization (VMware, Hyper‑V)

Networking protocols & firewalls

Troubleshooting

Communication skills

Education

Bachelor's degree in Computer Science / Information Technology

Tools

Docker/Kubernetes

Cloud platforms (AWS/Azure/GCP)

Ansible / Puppet / Chef

VMware/Hyper‑V virtualization

Job description

Experience:5+ Years

Education Bachelors in IT.

Location: Springfield, VA

Clearance:TS/SCI

Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. The ideal candidate should possess strong expertise in Linux and Windows operating systems.

Key Responsibilities:

• System Administration:
  • Install, configure, and maintain Linux and Windows servers.
  • Perform routine system monitoring, analysis, and troubleshooting to ensure optimal system performance.
  • Collaborate with cross-functional teams to design and implement system upgrades, patches, and new applications.
• Security Management:
  • Implement and maintain security measures to safeguard systems against unauthorized access, vulnerabilities, and data breaches.
  • Conduct regular security audits, vulnerability assessments, and implement corrective actions.
  • Stay updated on the latest security trends, vulnerabilities, and best practices.
• Scripting and Automation:
  • Develop and maintain scripts using Bash, Python, or PowerShell to automate routine tasks, streamline processes, and improve system efficiency.
  • Create and update documentation for scripts, configurations, and procedures.
• User Support:
  • Provide technical support to end-users for Linux and Windows-related issues.
  • Collaborate with the helpdesk team to resolve escalated support tickets in a timely manner.
• Monitoring and Performance Tuning:
  • Implement and maintain monitoring solutions to proactively identify and address system issues.
  • Perform performance tuning to optimize server and application performance.
• Collaboration and Communication:
  • Collaborate with cross-functional teams, including developers, network administrators, and security professionals.
  • Communicate technical information effectively to non-technical stakeholders.

Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• Security+ certification or equivalent cybersecurity certification.
• Proven experience in Linux and Windows system administration.
• Strong scripting skills in Bash, Python, or PowerShell.
• Familiarity with virtualization technologies (VMware, Hyper‑V).
• Knowledge of network protocols, firewalls, and security best practices.
• Excellent troubleshooting and problem‑solving skills.
• Effective communication and interpersonal skills.

Preferred Qualifications:

• RHCE, MCSA, or MCSE.
• Experience with containerization technologies (Docker, Kubernetes).
• Familiarity with cloud platforms (AWS, Azure, GCP).
• Knowledge of configuration management tools (Ansible, Puppet, Chef).