Senior Platform Engineer

Company Description Specific information regarding this recruitment process is listed below: Application Opening - Wednesday, September 30, 2026.Application Deadline - Apply immediately. This recruitment is considered open until filled, but will close no sooner than Wednesday, October 7, 2026, 11:59PM PST. Salary Range: $171,158 to $215,306 annuallyAppointment Type: Permanent Exempt.This position is excluded by the Charter from the competitive civil service examination process and shall serve at the discretion of the appointment officer. Work Location: Incumbent will conduct the majority of work at the Department of Technology, (1 S Van Ness, Ave San Francisco, CA 94103). However, there may be situations where the incumbent will be required to work at other sites throughout the City and County of San Francisco as necessary.Work Arrangement: This is a full-time position. The department supports a hybrid work schedule in compliance with City & County of San Francisco policies on remote work. About Department Of Technology Are you ready to make an impact in one of the most innovative cities? The Department of Technology (DT) is looking for passionate IT professionals to help shape the future of technology in San Francisco! As the centralized technology services provider for the City and County of San Francisco (CCSF), DT delivers critical infrastructure and services to over 33,000 employees—supporting public safety, municipal broadband, cybersecurity, cloud solutions, and more! With a $170M+ annual budget and a team of 300+ experts, DT is leading the charge in digital transformation. DT provides services through our core areas of IT Excellence: IT Project Management OfficeEnterprise Application ServicesCloud Center of ExcellenceIT Operations and Support including the Service Desk and NOCCity Infrastructure including the Network, Telcom and Data CentersOffice of Cybersecurity including Cyber Defense, Identity Management and Disaster RecoveryPublic Safety Systems and Municipal Broadband FiberSFGovTV Broadcasting ServicesIT Finance and Administration ServicesEmerging Technologies Why Join Us? Innovative & Impactful Work At DT, you won’t just work on IT—you’ll power a city. Your expertise will directly impact the residents of San Francisco, from closing the digital divide to ensuring secure, efficient city operations. Benefits of Working for CCSF: In addition to challenging and rewarding work, the City provides a generous suite of benefits to its employees. Competitive pay, benefits, and retirement optionsCareer growth opportunities through training, internal mobility, and subsidized educationDiverse work environment in a diverse cityThe Department has a hybrid work schedule Join the team that’s shaping the future of technology in San Francisco. Apply today and be part of a dynamic, innovative, and mission-driven IT team! Job Description The Principal Platform Engineer will develop and integrate new features, maintain the MyApps platform releases, and support the overall Identity and Access Management (IAM) strategy. This centralized IAM platform is a critical Tier 1 application that requires ongoing maintenance, as well as the development of new features and enhancements to support authentication, multi-factor authentication (MFA), user provisioning, and de-provisioning functionalities. A successful incumbent will have rich experience in full stack enterprise application development including mobile applications, experience designing and architecting web applications using Java and J2EE technologies, Spring Framework, Microservices architecture, JavaScript, CSS/HTML, React JS, Angular JS, NodeJs, Backbone and Bootstrap. This requires expert knowledge designing & architecting web applications using Java and J2EE technologies, Spring Framework, Microservices architecture, JavaScript, CSS/HTML, React JS, Angular JS, NodeJs, Backbone and Bootstrap. Essential duties include, but are not limited to, the following: Architect and designing applicationsResponsible for platform high availability and resiliencyConduct regular failover tests to validate IAM service resiliency and continuity during outages.Mentoring/training junior resourcesMentor junior engineers on IAM technologies and development practices.Provide training sessions, code reviews, and guidance to build a self- sufficient in-house IAM team.Learning new technologies to upgrade IAM platformsStay current with emerging IAM technologies, AI-driven identity solutions, and non-human identity management.Proactively recommend modernization initiatives to strengthen the IAM platform.Contribute to the direction and oversight of the IAM functions across the City and County of San Francisco, including areas such as developing centralized reports and analytics in the MyApps dashboard.Workflow and review certification, Audit and Compliance development in the MyApps platform.Work closely with all City departments to integrate their department-based enhancements and security role-based controls in the MyApps platform.Continuously update the MyApps platform architecture based on technology open source frame works as needed.Performs related duties and responsibilities as assigned. Qualifications MINIMUM QUALIFICATIONS Education: An associate degree in computer science, computer engineering, information systems, or a closely related field from an accredited college or university OR its equivalent in terms of total course credits/units [i.e., at least sixty (60) semester or ninety (90) quarter credits/units with a minimum of twenty (20) semester or thirty (30) quarter credits/units in one of the fields above or a closely-related field]. Experience: Five (5) years of experience designing and architecting web applications. Substitution Additional experience as described above may be substituted for the required degree on a year-for-year basis (up to a maximum of two (2) years). One (1) year is equivalent to thirty (30) semester units/ forty-five (45) quarter units with a minimum of 10 semester / 15 quarter units in one of the fields above or a closely related field. Completion of the 1010 Information Systems Trainee Program may be substituted for the required degree. Desirable Qualifications 7+ years of experience in Java/J2EE, Spring Framework, Microservices, and API development (SOAP/REST)5 + years of experience in JavaScript, React.js, AngularJS, Node.js, HTML, CSS, Bootstrap5 + years of experience with Oracle DB, Linux/Unix, Docker, CI/CD pipelines, Jenkins, GitHub5 + years of experience in authentication/authorization (SAML, OAuth, OpenID) and security frameworks (NIST, ISO, HIPAA, PCI)3+ years in Python, NLP, AI/ML, and Large Language Models (OpenAI, BERT, LLaMA, Claude)Skilled in performance optimization, troubleshooting, and ensuring high availability (99.999% uptime) Verification Please make sure it is clear in your application exactly how you meet the minimum qualifications. Every application is reviewed to ensure that you meet the minimum qualifications as listed in the job ad. Review SF Careers Employment Applications for considerations taken when reviewing applications. Applicants may be required to submit verification of qualifying education and experience at any point during the recruitment and selection process. If education verification is required, information on how to verify education requirements, including verifying foreign education credits or degree equivalency, can be found at https://careers.sf.gov/knowledge/experience-education/. Note: Falsifying one’s education, training, or work experience or attempted deception on the application may result in disqualification for this and future job opportunities with the City and County of San Francisco. Applicants must meet the minimum qualification requirement by the final application deadline unless otherwise noted. Additional Information Selection Procedures The selection process will include evaluation of applications in relation to minimum requirements and assessment of candidates’ job-related knowledge, skills and abilities. Depending on the number of applicants, the Department may establish and implement additional screening mechanisms to evaluate candidate qualifications. This typically includes an oral interview and/or a written or performance exercise. If this becomes necessary, only those applicants whose qualifications most closely meet the Department needs will be invited to continue in the selection process. Applicants meeting the minimum requirements are not guaranteed advancement in the selection process. How To Apply Applicants are encouraged to apply immediately as this recruitment may close at any time, but not before Wednesday, October 7, 2026 (11:59 PM). Your application MUST include a resume. To upload, please attach using the "additional attachments" function.You may contact Lawlun Leung via email at {lawlun.leung@sfgov.org} with questions regarding this opportunity.Late or incomplete submissions will not be considered. Mailed, hand delivered or faxed documents/applications will not be accepted. For best practices on the application process, please visit Apply for Jobs in the City and County of San Francisco Best Practices Guide. Applicants may be contacted by email about this announcement and, therefore, it is their responsibility to ensure that their registered email address is accurate and kept up-to-date. Also, applicants must ensure that email from CCSF is not blocked on their computer by a spam filter. To prevent blocking, applicants should set up their email to accept CCSF mail from the following addresses @sfgov.org, @sfdpw.org, @sfport.com, @flysfo.com, @sfwater.org, @sfdph.org, @asianart.org, @sfmta.com, @sfpl.org, @dcyf.org, @first5sf.org, @famsf.org, @ccsf.edu, @smartalerts.info, and @smartrecruiters.com). Applicants will receive a confirmation email that their online application has been received in response to every announcement for which they file. Applicants should retain this confirmation email for their records. Failure to receive this email means that the online application was not submitted or received. Additional Information Regarding Employment with the City and County of San Francisco: Information About the Hiring ProcessConviction HistoryEmployee Benefits OverviewEqual Employment OpportunityDisaster Service WorkerADA AccommodationRight to WorkCopies of Application Documents The Office of the City Administrator is committed to ensuring that the City's services are inclusive, efficient, equitable, and culturally competent for San Franciscans of all races, ethnic backgrounds, religions, and sexual orientations. This commitment requires comprehensive review and thorough analysis of existing practices and policies to remove barriers to real inclusion. We are also committed to ensuring that we have a safe, equitable, and inclusive workplace for individuals of all races. This includes creating opportunities for hiring, promotion, training, and development, for all employees, including but not limited to Black, Indigenous, and people of color (BIPOC). The City and County of San Francisco encourages women, minorities and persons with disabilities to apply. Applicants will be considered regardless of their sex, race, age, religion, color, national origin, ancestry, physical disability, mental disability, medical condition (associated with cancer, a history of cancer, or genetic characteristics), HIV/AIDS status, genetic information, marital status, sexual orientation, gender, gender identity, gender expression, military and veteran status, or other protected category under the law.