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Network Systems Engineer

Marvel Info Tech Inc

Philadelphia, PA

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JOB DETAILS
JOB TYPE
Full-time, Employee
SKILLS
CCNA - Cisco Certified Network Associate, CCNP - Cisco Certified Network Professional, Cisco Certifications, Computer Science, Control Systems, Documentation, Emergency Response, Firewalls, High Availability, Identify Issues, Internet Security, Leadership, Microsoft Windows Operating System, Microsoft Windows Server, Microsoft Windows System Administration, Network Administration/Management, Network Architecture/Engineering, Network Configuration Management, Network Design, Network Monitoring, Network Protocols, Network Router Configuration, Network Routers, Network Security, Network Support, Network Switching, Network System Hardware, Network Systems, On Call, Operational Improvement, Problem Solving Skills, Procedure Development, Red Hat Linux Operating System, Security Architecture, Security Monitoring, Server Hardware, Software Upgrades, Supervisory Control and Data Acquisition (SCADA), Systems Administration/Management, Systems Engineering, Systems Maintenance, Team Player, Technical Leadership, Technical Support, Technical Writing
LOCATION
Philadelphia, PA
POSTED
9 days ago

Job Title: Senior Network Systems Engineer – SCADA Operations

Position Type: Contract – 12 Months

Client Location: Philadelphia, PA - Onsite

 

Job Description

Client is seeking a highly experienced Senior Network Systems Engineer to support and maintain mission-critical Train Control and SCADA systems for a major transportation 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.
  • Administer and configure RedHat and Windows-based systems for high availability and security.
  • Manage, maintain, and troubleshoot routers, switches, and firewalls in support of a fault-tolerant communications network.
  • Plan and execute software and hardware upgrades for servers, workstations, and network equipment.
  • Develop, implement, and monitor network security policies and practices.
  • Interface with internal and external technical specialists to resolve system issues and plan enhancements.
  • Create and maintain system documentation, network diagrams, and troubleshooting procedures.
  • Support emergency technical response and rotating on-call responsibilities.
  • Assist with developing procedures and documentation to improve operational readiness and response.


Qualifications: 

  • 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)

About the Company

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Marvel Info Tech Inc