Senior Systems Engineer - NonStop Security & Uptime
Relha LLC
Fiserv is seeking a Senior Systems Engineer to deliver reliable, secure infrastructure in a large enterprise. You will maintain and upgrade Guardian OS, NonStop SQL, and related platforms for 24x7 uptime, while leading major software releases and security configurations. Applicants should have 6+ years on Guardian OS/NonStop, a IT-related degree, and strong problem‑solving skills. On-site role in NJ/NY; salary range shown; on-call rotations apply. #J-18808-Ljbffr Relha LLC
$97.5k - $164.4k
...day - quickly, reliably, and securely. Any time you swipe your credit... ...difference at Fiserv.Job TitleSenior Systems Engineer (Tandem NonStop)About your role:We are seeking a Senior Systems Engineer to provide... ...systems to ensure 24x7 uptime on the NonStop systems including...SeniorFull timeRemote workNight shift- ...Shoptalk is seeking a Senior Systems Engineer (Tandem NonStop) to provide technical solutions in a large enterprise environment... ...ensure the reliability, performance, and security of the infrastructure and maintain 24x7 uptime on NonStop systems. Candidates should have...Senior
- GEM Technologies is looking for a Senior Systems Engineer in New York, NY to maintain and enhance IT infrastructure, including cloud systems.... ...working collaboratively with clients to ensure systems are secure and performant. The ideal candidate has over five years of...SeniorRemote job
$174k - $252k
Identify security issues and implement and design security controls, tools, and services to improve security systems and processes.Drive the strategy for PRISM’s core pillars by identifying... ....5 years of experience with security engineering, computer and network security and...Senior$195k - $240k
Here at Datadog, we think about offensive security a little bit differently. We embrace automation... ...environment, and we expect our offensive engineers to build the tooling that makes that possible. We're looking for a Senior Security Engineer who can execute sophisticated...SeniorWork at office$167.5k - $226.3k
...Who You AreJustworks is looking for an experienced, hands-on Senior Security Engineer specializing in AI who will drive and execute the company’s... ...experience building and enhancing security solutions of AI systems that defends against unique AI threats. You have hands-on...SeniorCasual workWork at officeLocal area$165k - $242k
...more at .What You’ll Do:The Enterprise Security team at CoreWeave is responsible for... ...the team to join.About the Role:As a Senior Security Engineer, Enterprise Security, you’ll design and... ...between IdPs, HRIS, ticketing, and other systems to minimize manual toil and reduce...SeniorPermanent employmentFull timeTemporary workFor contractorsCasual workWork at officeRemote workFlexible hours$122k - $200k
...responsible for defining and leading the engineering approach for complex features to deliver... ...requirementsDefine and implement the security architecture for the GenAI platformDesign... ...Distributed, cloud-native platformsMulti-tenant systems with strict data access controlsStrong...SeniorFull timeWork at officeFlexible hoursDay shift$117.6k - $161.7k
...Offensive Tooling capability inside our Offensive Security organization, and we're looking for a senior engineer who can both build it and use it. As Senior... ...that same offensive lens to the enterprise's own AI systems.It's one loop: build the tooling, prove it on live...SeniorFull timeTemporary workApprenticeshipWork at officeRemote workWork from homeHome office$106.4k - $145k
...automakers. How you'll make an impact: As the Senior Systems Engineer, you will join our dynamic team dedicated to... .... Your primary goal is to guarantee system uptime, performance, resource allocation, and security align with SiriusXM security standards. Server...SeniorPermanent employmentTemporary workLocal areaShift work$165k - $215k
...help us create it. Who you are Metropolis is seeking a Senior Security Engineer to establish and lead a dedicated infrastructure and network... ...Engineering, Central Cloud Infrastructure, Enterprise Systems, and platform engineering teams What we're looking for...SeniorTemporary workWork at officeLocal areaRemote work- ...responsible for defining and leading the engineering approach for complex features to deliver... ...Define and implement the security architecture for the GenAI platform Design... ...modeling and risk assessment for GenAI systems Design and enforce RAG and data security...SeniorWork at officeFlexible hoursShift workDay shift
- A tech consulting firm is looking for a Sr. Infrastructure Security Engineer to develop and enhance security systems across AWS, GCP, and Azure. This remote role requires expertise in cloud security and automation, with responsibilities including architecting security systems...SeniorRemote job
$145k - $150k
...client is a premier law firm seeking a Messaging Systems Engineer to support and enhance its global messaging... ...device management environments, ensuring secure and reliable messaging services across the enterprise.Title - Senior Systems Engineer, Messaging/ExchangeLocation...Senior- DescriptionA leading financial services organization is seeking a senior Storage Systems Engineer to support and modernize its core infrastructure... ...partnering closely with infrastructure, application, and security teams.What You’ll TackleOperate and optimize VMware-based...Senior
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Senior Windows & Citrix Engineer - Global Fintech Leader Are you ready to take your Citrix expertise to the... ...direct influence on enterprise-wide systems, while continuing to grow your technical... ...and IT teams worldwide to deliver secure, reliable, and scalable solutions. Use...SeniorWorldwide- Platform Architectures[Qumulo CoreDistributed data operating system]( Native Qumulo Exabyte-scale file data platform in the cloud]( StratusData... ...system for any data, anywhere]( predictive caching and prefetch engine]( ransomware and malware protection]( search for unstructured...SeniorRemote work
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MAG Aerospace is seeking a mid to senior level Endpoint Engineer in Idaho to manage and secure devices within a Microsoft GCC High environment. The role demands strong experience in Microsoft Intune along with skills in vulnerability management and endpoint governance....Senior- ...opportunities and connect with 28,396 DevOps professionals. Join the innovative team at a leading tech company as a Senior Enterprise Systems Engineer, where your skills will help shape the future of enterprise technology. In this role, you will be responsible for designing...SeniorWork at officeFlexible hours
$180k - $200k
The Senior Systems Engineer will play a crucial role in managing and optimizing our Microsoft 365 and Azure environments, ensuring secure and efficient operations. This role involves overseeing complex cross-tenant access scenarios, M&A integrations, and domain migrations...Senior$200k - $250k
...world. Join StubHub's Edge Services team as a Software/Security Engineer and help shape the global infrastructure that keeps millions... .... This is your chance to build resilient, high-performance systems that directly power one of the largest live event marketplaces...SeniorFull timeWork at officeRemote workWorldwideFlexible hours$165k - $242k
...Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at .What You’ll DoAs a Cloud Security Engineer at CoreWeave, you'll drive the security related efforts related to the design, implementation, and maintenance of secure cloud...SeniorPermanent employmentFull timeTemporary workCasual workWork at officeFlexible hours- ...for AI-assisted software development, measuring how much of an engineering org's code is actually written by AI coding agents, and... ...machines. Responsibilities What You'll DoBuild the core systems that detect and attribute AI-generated code at the line level...SeniorWork at officeLocal area
$182k - $242k
...Nasdaq: CRWV) in March 2025. Learn more at .What You'll Do:The Systems Engineering team owns the Linux kernel and host software stack... ...happening, fix it, and often upstream the fix.About the role:As a Senior Software Engineer on the Systems Engineering team, you will...SeniorPermanent employmentFull timeTemporary workCasual workWork at officeFlexible hours$135.61k - $184.05k
A leading government services firm based in New York is seeking a Network Engineer to enhance and maintain a large-scale network project involving both wired and wireless infrastructure. The ideal candidate will have strong documentation skills, experience with RF tools...SeniorFull time$90k - $140k
...Strategy Lead Strategic security advisory: Lead multi-... ...relationships with senior customer stakeholders.... ...and pre-sales engineers on consulting practices... ...Science, Information Systems, Engineering, Business... ...provide Ethernet network uptimes of more than 99.999% between...SeniorTemporary workFlexible hours- ...technology solutions provider is seeking an experienced Network Engineer in New York to enhance and maintain their large-scale network... ...network infrastructure, assessing improvements, and implementing security measures. The ideal candidate holds a Bachelor's degree in...Senior
$166k - $343k
Senior Presales, Systems Engineer - NYC MetroThis role has been designated as ‘Remote/Teleworker’, which means you will primarily work from home.Who... ...(on-premises and cloud)Experience with network access security solutions such as Aruba ClearPass, Juniper Access Assurance...SeniorFull timeWork experience placementLocal areaImmediate startRemote workWork from home$182k - $242k
...and bare metal. We own the operating system, virtualization, runtime, and hardware... ...that allow thousands of GPU servers to securely execute customer workloads at hyperscale... ...performance.About the role:As a Senior Software Engineer on HAVOCK's Runtime & Virtualization team...SeniorPermanent employmentFull timeTemporary workCasual workWork at officeFlexible hours$182k - $242k
...'ll Do:CoreWeave is seeking a highly skilled and motivated Senior Systems Engineer, Legal Systems to build and scale our contract lifecycle management... ...Legal, Legal Operations, Finance, Sales, GTM, Procurement, Security, and IT to design, implement, and optimize legal systems...SeniorPermanent employmentFull timeContract workTemporary workCasual workWork at officeFlexible hours
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