Senior Network Systems Engineer

Train Control & SCADA Operations

Philadelphia,PA,,19102

12 month Contract

Description:

seeking a highly experienced Senior Network Systems Engineer to support and maintain mission-critical Train Control and SCADA systems for a major client in Philadelphia, PA. This role involves administering and upgrading network infrastructure, RedHat and Windows-based systems, and ensuring 24/7 availability and cybersecurity of real-time train control operations. The ideal candidate has deep experience with SCADA environments, network architecture, and infrastructure security, and thrives in a high-stakes, collaborative setting with both technical teams and operational leadership.

Key Responsibilities:

• Lead technical efforts to maintain and enhance Train Control and SCADA system infrastructure.

• Ensure 24/7 availability of four critical Train Control System facilities and their supporting network infrastructure.

• Minimum 7 years of experience supporting SCADA or real-time control systems

• Minimum 7 years of experience with RedHat and Windows systems administration

• Experience configuring and maintaining routers, switches, and firewalls

• Strong understanding of network security practices and protocols

• Proven experience in full lifecycle management of hardware/software projects

• Expertise in RedHat Enterprise Linux and Windows Server platforms

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)

• Industry certifications such as CompTIA Network+, Security+, or equivalent

• Cisco certifications such as CCNA or CCNP (preferred)

• Experience with high-availability, fault-tolerant network design

• Strong technical documentation and troubleshooting skills

• Experience working in 24/7 operational environments with on-call responsibilities

• Familiarity with railroad operations, signaling, or transportation systems (preferred)

• Master’s degree in Computer Science or related field (preferred)