Sr Security Engineer

About DAT

Discover your future at DAT Freight & Analytics, where innovation meets impact. For over four decades, DAT has been at the forefront of transportation and logistics, helping businesses move freight with greater efficiency and confidence. We are a technology company that removes uncertainty from freight for truckers, brokers, and shippers every day. Our advanced tools and data intelligence empower professionals to make smarter decisions, optimize costs, and operate more successfully. Through the industry's largest digital freight marketplace and insights derived from over $1 trillion in freight transactions, we provide the mission-critical information that keeps supply chains running smoothly across the country. DAT is proud to be an award-winning workplace that fosters innovation, celebrates success, and values professional growth. With strategic offices in Beaverton, Oregon, Denver, Colorado, Springfield, Missouri, and Bangalore, India, our teams collaborate to solve the transportation industry's most complex challenges. Ready to shape the future of freight technology? Learn more atdat.com/company.

Application Deadline: 11/30/2025

The Opportunity

DAT is looking for aSr Security Engineer, to join our security team. This position can be based in our Seattle, WA office.

The Sr Security Engineer will join our Security Architecture and Engineering team. As a key member, you'll lead the design, implementation, and adoption of org-wide security control and tooling to improve our security posture while enabling rapid and secure business growth. You will also work closely with cross functional teams to ensure that security is embedded into our SDLC, data protection strategies and information security systems. This is a hands-on, high impact role that combines architecture, engineering and enablement.

What You'll Do

• Enable secure business growth and scalability by designing resilient, automated security architectures that support rapid product innovation balancing strong security controls with developer velocity and operational efficiency.
• Design and enhance security tooling, integrating with CI/CD pipelines, logging platforms and cloud security architecture.
• Develop reference architectures and technical standards for secure cloud deployments, container hardening, and access management that are disseminated and enforced across the enterprise.
• Collaborate with engineering and product teams to embed security into SDLC and production systems (DevSecOps, IaC scanning, SAST/DAST/SCA, etc.).
• Evaluate control effectiveness alongside Security and cross functional teams to enable continuous improvement.
• Provide advanced forensic and incident response expertise for priority security events and escalations, leveraging deep technical analysis to identify root cause, contain threats, and support post-incident remediation and control hardening.

The Skills and Experience You'll Bring

• Team Player with strong communication, organizational, and relationship management skills.
• Self-motivated, with keen attention to detail and excellent judgment skills.
• Excellent organizational and project management skills, with attention to detail and deadlines.
• Ability to write and present articulated documentation and processes.
• Ability to handle sensitive and confidential information.
• Deep technical expertise in cloud environments, including IAM, network security, posture alignment, and automation via Terraform, CloudFormation, or similar.
• Working knowledge of frameworks such as NIST 800-53, SOC 2, CIS Benchmarks, and Zero Trust Network Architecture.
• Strong understanding of DevSecOps pipelines, containerization (Docker, Kubernetes), and CI/CD security tooling.
• Experience with cloud-native logging, monitoring and detection frameworks.
• Proven experience (7+ years) in cybersecurity engineering or infrastructure/cloud security roles.
• S./M.S. degree in cybersecurity, computer science or related technical field are a plus.
• Professional certification preferred (e.g., GIAC, CISSP, Cloud Security Certifications or equivalent).

Why DAT?

DAT is an award winning employer of choice.

For starters, we have a hybrid work environment, but we also know what makes a great workplace. We have a time-tested and resolute set of operating values predicated on integrity, mutual respect, open communication, and executing with excellence. These values inform our strategic vision as much as any one of our products does. We've been an employer of choice in the Portland metropolitan area for four decades, and within one year of opening our Denver office, DAT was #26 on Built In Colorado's 100 Best Places to Work In Colorado.

• Medical, Dental, Vision, Life, and AD&D insurance
• Parental Leave
• Up to 20 days of paid time off starting in year one
• An additional 10 holidays of paid time off per calendar year
• 401k matching (immediately vested)
• Employee Stock Purchase Plan
• Short- and Long-term disability sick leave
• Flexible Spending Accounts
• Health Savings Accounts
• Employee Assistance Program
• Additional programs - Employee Referral, Internal Recognition, and Wellness
• Free TriMet transit pass (Beaverton Office)
• Competitive salary and benefits package
• Work on impactful projects in a cutting-edge environment
• Collaborative and supportive team culture
• Opportunity to make a real difference in the trucking industry
• Employee Resource Groups

For Washington-based candidates, in compliance with the Washington State Pay Transparency Law, the salary range for this role is $150,000 - $195,000. DAT considers factors such as scope and responsibilities of the position, candidate's work experience, education and training, core skills, internal equity, and market and business elements when extending an offer.

DAT embraces the value of a diverse workforce, and believes it is a core strength of our company that we encourage those values in every DAT employee, at every level of our organization, regardless of tenure or rank. We provide equal employment opportunities (EEO) to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state, and local laws.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities

The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor's legal duty to furnish information. 41 CFR 60-1.35(c)

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