Senior Cybersecurity Engineer

Valiant Technologies LLC; Washington (District of Columbia); On-site; USD 83,000 - 110,000; Full time

Job summary

Amtrak in Washington, DC is seeking a Senior Cybersecurity Engineer to strengthen OT security, support TSA authorization requirements, and advance the OT modernization program. The role focuses on securing OT/ICS environments, improving security visibility, and protecting critical infrastructure while aligning with regulatory standards.

The engineer will collaborate with cybersecurity, infrastructure, and network teams to identify risks, enhance OT security posture, and drive modernisation

Qualifications

• Experience in Cybersecurity Engineering within OT environments.
• Knowledge of vulnerabilities, risk remediation, and security assessments.
• Experience with network segmentation, firewalls, and security monitoring.

Responsibilities

• Support OT cybersecurity modernization initiatives.
• Assess and strengthen security controls for OT and ICS.
• Identify risks and threats in industrial control environments.
• Improve OT asset visibility and network security monitoring.
• Collaborate with infrastructure, network, and cybersecurity teams to implement security improvements.
• Support TSA cybersecurity authorization activities.
• Participate in Agile/SAFe delivery with cross-functional teams.

Skills

Cybersecurity Engineering

OT environments

Vulnerability assessment

Network security concepts

Collaboration with IT/OT teams

Analytical, troubleshooting, and comms

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: Senior Cybersecurity Engineer
Location: Washington, DC
Duration: 12Months + Extension
Bill Rate: $66/hour (C2C)
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Position Overview:

Amtrak is seeking an experienced Senior Cybersecurity Engineer to support its high-priority Operational Technology (OT) Modernization initiative. This role will focus on strengthening cybersecurity capabilities, improving security visibility, and protecting critical operational technology infrastructure while supporting TSA cybersecurity authorization requirements. The ideal candidate will bring hands‑on experience securing OT, Industrial Control Systems (ICS), SCADA environments, or other critical infrastructure systems. The engineer will collaborate with cybersecurity, infrastructure, and network teams to identify security risks, improve OT security posture, and accelerate modernization initiatives.

Key Responsibilities:

• Support cybersecurity modernization initiatives across Operational Technology (OT) environments.
• Assess and strengthen security controls for OT, IC...
• Identify cybersecurity risks, vulnerabilities, and potential threats affecting industrial control environments.
• Improve OT asset visibility, inventory management, and network security monitoring.
• Support OT network security initiatives, including segmentation, firewall controls, and traffic monitoring.
• Collaborate with infrastructure, network, and cybersecurity teams to implement security improvements.
• Support cybersecurity risk assessments, remediation activities, and security documentation.
• Assist with TSA cybersecurity authorization and applicable critical infrastructure security requirements.
• Evaluate security risks associated with legacy operational technology systems.
• Participate in Agile / SAFe delivery activities and coordinate with cross‑functional technical teams.

Required Skills & Qualifications:

• Strong experience in Cybersecurity Engineering, preferably within Operational Technology environments.
• Knowledge of cybersecurity risks and challenges associated with critical infrastructure.
• Experience with vulnerability identification, security assessments, and risk remediation.
• Understanding of network security concepts, including firewalls, network segmentation, and security monitoring.
• Ability to work with infrastructure, networking, and cybersecurity teams on security modernization initiatives.
• Strong analytical, troubleshooting, and communication skills.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.