Senior Network Systems Engineer Train Control & SCADA Operations

Overview

On Site
Contract - Independent
Contract - W2
Contract - To 2026-08-31
100% Travel

Skills

Routers
Windows
Network security
SCADA
Redhat
Firewall

Job Details

Aspire IT Solutions is in a need of -

Job Title: Senior Network Systems Engineer
Location: Philadelphia, PA (Onsite)

Duration: 12 months contract

Job Overview:

A major transportation organization is seeking a highly experienced Senior Network Systems Engineer to support and maintain mission-critical Train Control and SCADA systems. This role is essential for ensuring the continuous, secure operation of real-time control infrastructure and supporting network environments. The ideal candidate will have a strong background in SCADA systems, network architecture, and infrastructure security, and will collaborate closely with technical and operational stakeholders.

Key Responsibilities:

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

  • Ensure 24/7 availability of critical control system facilities and associated networks.

  • Administer and configure RedHat and Windows-based systems with a focus on high availability and cybersecurity.

  • Manage, troubleshoot, and maintain routers, switches, and firewalls for a fault-tolerant communication network.

  • Plan and implement hardware and software upgrades for servers, workstations, and networking equipment.

  • Develop and enforce network security protocols and practices.

  • Collaborate with internal and external teams to resolve system issues and design enhancements.

  • Create and maintain technical documentation, including network diagrams and SOPs.

  • Participate in emergency response and provide on-call technical support.

  • Contribute to the development of procedures to improve system resilience and operational readiness.

Qualifications:

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

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

  • Proficiency in configuring and managing routers, switches, and firewalls.

  • Strong grasp of network security practices and standards.

  • Experience managing full hardware/software lifecycle projects.

  • Expertise with RedHat Enterprise Linux and Windows Server platforms.

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

  • Relevant industry certifications (e.g., CompTIA Network+, Security+).

  • Cisco certifications such as CCNA or CCNP (preferred).

  • Experience designing high-availability, fault-tolerant networks.

  • Strong documentation, troubleshooting, and communication skills.

  • Experience supporting 24/7 operational environments and handling on-call duties.

  • Familiarity with transportation systems or signaling (preferred).

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

Thanks & Regards

Bhargav Kalyandurg (Find me on LinkedIn)

ASPIRE IT SOLUTIONS INC.

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