> Markdown version of [/jobs/ext/2470995-senior-nonstop-systems-engineer](https://www.wearedevelopers.com/jobs/ext/2470995-senior-nonstop-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior NonStop Systems Engineer - **Company:** Fiserv, Inc. - **Location:** Sacramento, CA, United States - **Experience:** Expert - **Salary:** $109,500.0 - $174,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Databases, Data Security, JSON, Key Management, Standard Sql, Microsoft SharePoint, Simple Object Access Protocol (SOAP), Software Engineering, Web Services, Extensible Markup Language (XML), NonStop SQL, Splunk - **Published:** August 14, 2026 - **Apply:** https://dejobs.org/x/x/64CE38F16F144299A22033DF0CD51FC6/job/ ## About the Role We are seeking a Senior Systems Engineer to provide technical solutions in a highly visible, large enterprise environment. You'll combine technical proficiency with strong problem-solving skills, attention to detail, and a commitment to ensuring the reliability, performance, and security of our infrastructure., * 6+ years of experience with of Guardian OS, NonStop SQL, and NonStop hardware platforms * 5+ years of experience in configuring systems within the NonStop platform from end-to-end * 5+ years of experience working with SQL, Guardian/OSS, NonStop Web Services (SOAP), and XML or JSON * Bachelor's degree in IT, or a related field, or an equivalent combination of education, military, or work experience Experience that would be great to have: * Experience working with Nonstop Security * Experience with encryption and key management * Experience with NS7X technology (X-Series) * Experience in a large scale enterprise level environment ## Description * Maintain and upgrade existing systems to ensure 24x7 uptime on the NonStop systems including client related connectivity * Lead Guardian OS , Network, and other major software release planning and implementation * Assess and implement platform security solutions and configurations * Apply technical expertise to support the deployment of technology architecture and the total system solutions * Identify system performance bottlenecks and recommending performance improvement solutions * Perform analyses (e.g., performs technical research in order to assess system performance and capacity) * Provide Tier 2 and 3 support for the entire infrastructure * Perform daily continuous improvements on all NonStop servers, including off-platform servers, such as Splunk, Prognosis, Moogsoft, ServicePoint, SharePoint and BackPak servers, their databases, user and data security, etc. ## Related Videos - [Enterprise-Cloud-Native - Fast-Paced Development & Deployment in a Highly Secure Banking Environment](https://www.wearedevelopers.com/videos/671-enterprise-cloud-native-fast-paced-development-deployment-in-a-highly-secure-banking-environment) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)