Home Job Details
C
Information Technology 🏢 Full Time ⭐️ Verified

Senior System Administrator

CityCore Infrastructure
Philadelphia
Estimated Salary
USD 90.000 – USD 130.000
New
Live Update
1 September 2026
Deadline
1 Sep 2027

Job Description

Are you a technical leader ready to optimize complex IT environments? CityCore Infrastructure is seeking a Senior System Administrator to join our growing team in Philadelphia. You will play a pivotal role in maintaining the stability, security, and scalability of our mission-critical systems.

We are looking for someone who thrives in a fast-paced environment, possesses deep knowledge of cloud and on-premise infrastructure, and can mentor junior staff. If you are passionate about automation and cybersecurity, we want to hear from you.

Why Join Us?

  • Competitive salary and comprehensive benefits package.
  • Flexible work environment with hybrid options.
  • Opportunity to work with cutting-edge technology (AWS, Azure, Kubernetes).

Responsibilities

  • Manage and maintain Linux and Windows Server environments, ensuring high availability and performance.
  • Design, deploy, and manage cloud infrastructure on AWS or Azure.
  • Implement and monitor security protocols to protect sensitive data and comply with industry standards (GDPR, HIPAA).
  • Automate routine tasks using scripting languages (Python, Bash, PowerShell) to improve efficiency.
  • Perform regular system audits, patch management, and hardware upgrades.
  • Provide advanced technical support and troubleshooting for internal stakeholders.

Qualifications

  • Minimum of 5 years of experience as a System Administrator or in a similar IT role.
  • Strong proficiency in Linux (RHEL/CentOS) and Windows Server administration.
  • Experience with Active Directory and Identity Management solutions.
  • Familiarity with cloud platforms (AWS or Azure) and containerization (Docker/Kubernetes).
  • Strong knowledge of network concepts (TCP/IP, DNS, DHCP, VPN).
  • Excellent problem-solving skills and ability to communicate technical concepts to non-technical teams.

Required Skills

Linux Windows Server AWS Active Directory Python PowerShell Network Security Troubleshooting

Ready to Take This Challenge?

Make sure your resume is ready. Submit your application now before the deadline.

Apply Now

Related Jobs

Similar job recommendations for you

View All