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About the Role

Sunflower Bank, N.A. is seeking an energetic, highly motivated Principal Platform Engineer to define and drive the technology vision for Platform Engineering within the bank's IT modernization strategy. This role connects strategic business outcomes to engineering execution by standardizing, simplifying, and automating platforms and practices for secure, resilient, compliant, and scalable banking capabilities.

Responsibilities

Define and execute a multi-year Platform Engineering roadmap aligned to business strategy, target-state architecture, risk appetite, merger integration priorities, and IT modernization outcomes.
Establish and evolve the Internal Developer Platform and shared platform services using a product operating model.
Define platform capabilities including developer self-service, infrastructure automation, CI/CD services, security guardrails, identity integration, observability, service onboarding, and runtime platforms.
Promote a platform-first, reuse-before-build mindset across technology teams.
Measure platform success through a balanced scorecard covering adoption, time to deliver, reliability, security and compliance, unit cost, automation, customer experience, technical debt reduction, and operational efficiency.
Design and lead the implementation of an enterprise Internal Developer Platform.
Establish secure-by-design engineering golden paths for rapid solution development, deployment, operation, and retirement.
Build reusable platform capabilities to reduce duplication and improve consistency.
Create policy-governed self-service experiences for provisioning, deployment, and service consumption.
Drive platform product management practices, including roadmaps, adoption strategies, and customer feedback loops.
Define engineering reference architectures, platform design standards, and technology lifecycle requirements.
Establish reusable patterns for hybrid cloud, infrastructure, application delivery, integration, data, identity, resilience, and security services.
Serve as a senior technical authority on engineering platforms and enterprise-scale systems.
Ensure solutions meet defined requirements for scalability, recoverability, resiliency, observability, supportability, security, data protection, regulatory compliance, and total cost of ownership.
Partner with Enterprise Architecture to evolve target-state technology architecture.
Establish pragmatic Site Reliability Engineering (SRE) practices across the organization.
Define Service Level Indicators (SLIs), Service Level Objectives (SLOs), and Error Budget frameworks.
Lead an enterprise observability and operational intelligence strategy.
Drive automation of operational, control, and evidence-collection processes.
Provide technical leadership for critical incidents, root-cause remediation, and systemic platform risks.
Drive modernization and rationalization of CI/CD capabilities and software delivery pipelines.
Define standards for Infrastructure as Code (IaC), GitOps, platform automation, and release engineering.
Establish engineering workflows that make the secure, compliant, and supportable path the easiest path.
Continuously evaluate emerging technologies and practices that improve engineering effectiveness.
Eliminate delivery bottlenecks through automation and platform enablement.
Define, publish, and govern enterprise engineering standards, approved patterns, exception processes, and technology lifecycle expectations.
Establish platform guardrails that balance developer autonomy with security and regulatory requirements.
Partner closely with Information Security, Enterprise Risk, Compliance, and Internal Audit to translate requirements into automated guardrails and controls.
Promote technology consistency and architectural alignment across business domains.
Influence technology direction across engineering, infrastructure, security, architecture, and data teams.
Serve as a trusted advisor to senior technology leadership.
Facilitate alignment between strategic technology initiatives and platform capabilities.
Drive adoption of platform services through transparent roadmaps, documentation, enablement, and communities of practice.
Continuously improve the developer experience across the organization.
Reduce engineering friction and cognitive load through standardized tooling, automation, self-service, and authoritative documentation.
Establish role-based technical training, onboarding standards, engineering enablement programs, and succession pathways.
Create communities of practice to promote engineering excellence and knowledge sharing.
Mentor engineers and technical leaders across the organization.
Evaluate and rationalize platform technologies, engineering tools, and strategic vendor solutions.
Lead technical due diligence activities for engineering-related products and services.
Ensure vendor capabilities, contracts, roadmaps, and operating models align with the long-term platform strategy.
Perform the job in accordance with applicable industry laws and regulations as well as company policies and procedures.

Requirements

Bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent experience.
10+ years of progressive software engineering, infrastructure engineering, or platform engineering experience.
5+ years leading large-scale engineering initiatives or technical programs.
Demonstrated experience designing, operating, measuring, and continuously improving enterprise platform services used across multiple technology teams.
Proven ability to influence senior technology and business leaders, build cross-functional alignment, and drive sustained operating-model and organizational change.
Strong communication and stakeholder management skills.
Must be bondable.
Financial Services or Banking industry experience, including work in a regulated environment with formal risk, audit, resilience, and change-control expectations.
Experience building or operating Internal Developer Platforms.
Experience establishing SRE, SLO, and Error Budget practices.
Experience implementing engineering maturity, platform adoption, service reliability, cost transparency, automation, and customer-experience metrics.
Experience with cloud-native architectures and modern engineering operating models.
Master's Degree or equivalent advanced technical education.

Skills

Platform Engineering
Developer Experience (DevEx)
DevOps
Site Reliability Engineering
Cloud Platforms
Infrastructure as Code
CI/CD Automation
Observability

Location

Hybrid

Work Type

Full-time
Hybrid

Experience Level

10+ years of progressive software engineering, infrastructure engineering, or platform engineering experience
5+ years leading large-scale engineering initiatives or technical programs

Education Level

Bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent experience
Master's Degree or equivalent advanced technical education

Salary/Compensations

Pay is dependent on knowledge, skills, abilities, experience, and location.

Benefits

401(k) Plan with 6% Match
Health/Dental/Vision Insurance
Company-paid Life Insurance
Tuition Reimbursement
Fitness Reimbursement
Paid Time Off
Volunteer Leave
Paid Holidays
Plus many more associate perks & incentives!

About the Company

At Sunflower Bank, N.A., we’re experiencing great growth. Since our founding in 1892, we've been committed to serving our communities and supporting the team members who make it all possible.
As a full-service financial institution, we offer a full range of relationship-focused services to meet personal, business, and wealth-management financial objectives.
Creating Possibility is not just our mission, it’s what we do every day for clients and associates.
Learn more about Sunflower Bank, N.A. at sunflowerbank.com.
People choose to “bank” with us, but for those we serve, we’re more than a bank. We strive to be the financial backbone of their lives, and we know that starts with our team.
Our supportive culture empowers team members to grow and seize new opportunities.
Like our namesake, the sunflower, we are: Rooted in Strength, Propelled by Growth, Individuals in a Great Whole, Creating Possibility, Community Focused.

Equal Opportunity

EOE/AA: Minorities/Females/Disabled/Vets
Sunflower Bank, N.A. is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, protected veteran status, status as a qualified individual with a disability, sexual orientation, gender identity, or any other characteristic protected by law.