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Sr Principal DT Security Engineer

Amtrak · National Railroad Passenger Corporation

Public transport
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A job with Amtrak. Applications close on Oct 17, 2026 — 30 days left.

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About this job

Your success is a train ride away! As we move America’s workforce toward the future, Amtrak connects businesses and communities across the country. We employ more than 20,000 diverse, energetic professionals in a variety of career fields throughout the United States. The safety of our passengers, our employees, the public and our operating environment is our priority, and the success of our railroad is due to our employees. Are you ready to join our team? Our values of ‘Do the Right Thing, Excel Together and Put Customers First’ are at the heart of what matters most to us, and our Core Capabilities, ‘Building Trust, Accountability, Effective Communication, Customer Focus, and Proactive Safety & Security’ are what every employee needs to know and do to be most impactful at Amtrak. By living the Amtrak values, focusing on our capabilities, and actively embracing and fostering diverse ideas, backgrounds, and perspectives, together we will honor our past and make Amtrak a company of the future. Job Summary Leads the development and evolution of enterprise cybersecurity capabilities by shaping security strategy, advancing cyber defense architectures, and addressing emerging threats across the organization. This role requires a highly experienced technical leader who can serve as the organization's subject matter expert on Identity and Access Management (IAM) while driving the strategy, architecture, and delivery of enterprise authentication services. The Sr. Principal Systems Engineer is responsible for providing technical leadership and architectural guidance across Active Directory, Microsoft Entra ID, Privileged Access Management (PAM), Certificate Management and related identity technologies in a large, complex enterprise environment. Acting as a trusted advisor to both technology and business leadership, this individual leads the planning and execution of strategic initiatives, evaluates emerging technologies, develops long-term roadmaps, and influences enterprise architecture decisions both within and beyond the IAM domain. Essential Functions Serve as the senior technical authority and subject matter expert (SME) for Identity and Access Management (IAM) services, providing strategic direction and technical leadership across the organization. Lead the architecture, design, implementation, and continuous improvement of enterprise authentication and identity platforms, including Active Directory, Microsoft Entra ID, and related identity technologies. Develop and maintain technology roadmaps, ensuring alignment with organizational objectives, security requirements, compliance mandates, and future business needs. Assists and/or may lead in the development and analysis of source selection strategies. Provide architectural guidance and governance for enterprise initiatives, evaluating proposed solutions and ensuring adherence to IAM standards, security principles, and best practices. Lead the planning and execution of complex projects and programs, including resource planning, prioritization, risk management, and stakeholder engagement. Drive the strategy, implementation, and optimization of Privileged Access Management (PAM) solutions to strengthen security, reduce risk, and support regulatory compliance. Serve as the subject matter expert for Certificate Lifecycle Management (CLM), providing technical leadership for enterprise PKI, digital certificates, and certificate automation. Establish and enforce technical standards, policies, and operational procedures for identity lifecycle management, authentication services, privileged access, and directory services. Provide end-to-end operational support for enterprise identity infrastructure, including monitoring, maintenance, incident response, and continuous improvement to ensure reliability, availability, performance, and security.. Collaborate with cross-functional teams to evaluate emerging technologies, assess risks, and influence strategic technology decisions across the enterprise. Lead root cause analysis and resolution efforts for complex identity, authentication, authorization, and access-related issues, driving long-term corrective actions. Minimum Qualifications Bachelor’s Degree or equivalent combination of education, training and/or relevant experience. Plus 9 years of relevant work experience. Experience focused on Identity and Access Management (IAM), authentication services, directory services, and access security technologies. Extensive hands-on experience designing, implementing, and supporting enterprise identity platforms, including Microsoft Active Directory, Microsoft Entra ID (Azure AD), federation services, authentication protocols, and identity lifecycle management. Demonstrated experience leading Privileged Access Management (PAM) programs and technologies, including privileged account governance, credential management, privileged session controls, and least-privilege security principles. Proven experience serving as a technical lead or principal engineer in large, complex enterprise environments, providing architecture guidance, project leadership, and technical mentorship across multiple teams and disciplines. Strong experience developing technology roadmaps, leading strategic initiatives, and consulting with executive and senior leadership, with the ability to translate business objectives into secure and scalable technical solutions. Preferred Qualifications Bachelor’s Degree or equivalent combination of education, training and/or relevant experience. Plus 11 years of relevant work experience. Industry certifications such as CISSP, Microsoft Certified: Identity and Access Administrator Associate, Microsoft Certified: Cybersecurity Architect Expert, CyberArk Defender/Sentry, or equivalent. Experience supporting regulatory and compliance frameworks such as PCI DSS, NIST, SOX, ISO 27001, or similar. Experience with hybrid identity architectures, cloud security, Zero Trust initiatives, Conditional Access Policies, MFA, and Identity Governance and Administration (IGA) solutions. Knowledge, Skills, and Abilities Excellent customer service, communication, and interpersonal skills essential for collaborative teamwork and self-motivation. Proficiency in identifying and implementing security measures, including understanding adversary tactics and tools. Experience managing a diverse security ecosystem encompassing SIEM/SOAR, EDR/AV, CASB, IDS/IPS, DLP, UEBA, FW, IAM/SSO technologies. Demonstrated ability to influence strategy and solve highly complex, ambiguous security challenges with broad organizational impact. Proven ability to lead large, multi-disciplinary initiatives and influence stakeholders across the organization without direct authority. The salary/hourly range is $149,400.00 – $193,644.00. Pay is based on several factors including but not limited to education, work experience, certifications, etc. Depending on an employee’s assigned worksite or location, Amtrak may consider a geo-pay differential to be applied to the employee’s base salary. Amtrak may offer additional incentive and pay programs to recognize and reward our employees, including a short-term incentive bonus based upon factors such as individual and company performance that is commensurate with the level of the position. Health and Wellbeing Financial and Retirement Work and Family Life Support Health, Dental, and Vision Insurance 401K with Employer Match Generous Paid Time Off Wellness Programs Railroad Retirement Benefits Paid Caregiving Days and Backup Care Health Savings Account Public Service Student Loan Forgiveness Fertility and Family Building Benefits No-cost Personal Health Advocate Student Loan Assistance Adoption and Surrogacy Assistance Medical Plan Opt-out Credit Tuition and Education Reimbursement Paid Family Leave Life Insurance Rail Pass Privileges Short- and Long-term Disability Insurance Employee Assistance Program No-cost Financial Advisor Sessions Commuter and Flexible Spending Accounts Learn more about our benefits offerings here. Requisition ID:167005 Work Arrangement:02-Remote Optional Click here for more information about work arrangements at Amtrak. Relocation Offered:No Travel Requirements:Up to 25% You power our progress through your performance. We want your work at Amtrak to be more than a job. We want your career at Amtrak to be a fulfilling experience where you find challenging work, rewarding opportunities, respect among colleagues, and attractive compensation. Amtrak maintains a culture that values high performance and recognizes individual employee contributions. Amtrak is committed to a safe workplace free of drugs and alcohol. All Amtrak positions requires a pre-employment background check that includes prior employment verification, a criminal history check and a pre-employment drug screen. Candidates who test positive for marijuana will be disqualified, regardless of any state or local statute, ordinance, regulation, or other law that legalizes or decriminalizes the use or possession of marijuana, whether for medical, recreational, or other use. Amtrak's pre-employment drug testing program is administered in accordance with DOT regulations and applicable law. In accordance with DOT regulations (49 CFR § 40.25), Amtrak is required to obtain prior drug and alcohol testing records for applicants/employees intending to perform safety-sensitive duties for covered Department of Transportation positions. If an applicant/employee refuses to provide written consent for Amtrak to obtain these records, the individual will not be permitted to perform safety-sensitive functions. In accordance with federal law governing security checks of covered individuals for providers of public transportation (Title 6 U.S.C. §1143), Amtrak is required to screen applicants for any permanent or interim disqualifying criminal offenses. Note that any education requirement listed above may be deemed satisfied if you have an equivalent combination of education, training and experience. Amtrak is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race/color, to include traits historically associated with race, including but not limited to, hair texture and hairstyles such as braids, locks and twists, religion, sex (including pregnancy, childbirth and related conditions, such as lactation), national origin/ethnicity, disability (intellectual, mental and physical), veteran status, marital status, ancestry, sexual orientation, gender identity and gender expression, genetic information, citizenship or any other personal characteristics protected by law.

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Details on this page reflect the source posting as of Sep 17, 2026. Closing dates and salary ranges can change without notice — the official listing is always authoritative. How our coverage works.

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