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As a Senior Mainframe Site Reliability Engineer, you will drive the reliability and evolution of re-hosted CICS/TX and MQ platforms by leading critical operations, defining technical standards, and coordinating modernization efforts across middleware, infrastructure, and stakeholders.Your role:<ul><li>Lead all critical platform activities for the re-hosted CICS/TX and MQ service, including incidents, upgrades, new features and structural improvements.​</li><li>Own the evolution of the re-platformed middleware stack, including coordination with IBM, application groups and DR/cloud-readiness efforts.​</li><li>Set technical standards for availability, housekeeping, performance, RCA and operational excellence in this senior- heavy tower.</li></ul>*This role requires on-call responsibilities, depending on operational needs.This role describes your starting point at NTT DATA. We believe in long-term relationships and in supporting your growth. As your skills and ambitions evolve, we will work with you to identify future opportunities, projects, and career paths across our organization.Your profile:<ul><li>Extensive enterprise-level expertise in CICS/TX and MQ delivery, upgrades, and cluster management.</li><li>Strong command of Linux-hosted middleware reliability, performance and change-window control.</li><li>Excellent stakeholder management and technical lead capability in a critical legacy-modernization context.</li><li>6-8 years of experience in relevant roles.</li><li>Fluent in English (written and spoken).</li></ul>

Senior MainFrame SRE

As a Lead Mainframe engineer, you will play a key role in ensuring the continuity, resilience, and operational excellence of re-platformed mainframe middleware and production-control services supporting critical enterprise workloads.You will lead operational and engineering activities across middleware and batch-processing platforms, ensuring service stability while driving modernization, service improvements, upgrades, and controlled decommissioning initiatives. Acting as a senior technical authority, you will coordinate closely with IBM, application teams, platform owners, and operational stakeholders in highly critical 24x7 environments.You will also lead a small team of engineers, providing technical guidance, operational oversight, and coordination across platform activities while engaging directly with stakeholders and client representatives to gather requirements and support platform roadmap initiatives.Your role:<ul><li>Own the end-to-end technical service for re-platformed middleware and production-control platforms across production, non-production, and disaster recovery environments.</li><li>Lead and mentor a small team of engineers, providing technical leadership, operational guidance, and coordination of day-to-day platform activities.</li><li>Act as the primary technical point of contact for stakeholders, client representatives, and operational teams, gathering requirements and translating business needs into reliable technical solutions.</li><li>Lead Stonebranch UAC and batch operations activities, including scheduling standards, post-batch support, bundle promotion governance, and resolution of cross-domain batch-processing issues.</li><li>Drive service improvements, platform upgrades, cluster and scheduler health initiatives, and operational standards across highly critical enterprise services.</li><li>Act as the command point for high-severity incidents, out-of-hours change windows, root cause analysis activities, and cross-team operational coordination.</li><li>Coordinate closely with IBM, Stonebranch, infrastructure teams, and application owners to ensure operational continuity and service resilience.</li><li>Support disaster recovery readiness, service recovery testing, and operational governance activities across the platform landscape.</li><li>Guide the controlled migration, modernization, or decommissioning of legacy batch-processing services while protecting production stability.</li><li>Define and maintain standards for availability, operational excellence, monitoring, service governance, and platform reliability.</li><li>Collaborate with platform teams and application stakeholders to proactively manage dependencies, operational risks, and service continuity requirements.</li></ul>Your profile:<ul><li>Bachelor’s or Master’s degree in Computer Science, Engineering, Information Systems, or related field (or equivalent experience).</li><li>6-8 years of experience in relevant roles.</li><li>Extensive experience managing enterprise middleware and batch-processing platforms within large-scale production environments.</li><li>Strong expertise in re-hosted middleware services and production-control ecosystems, including technologies such as MQ, CICS/TX, Stonebranch UAC, scheduling platforms, and cross-platform operational tooling.</li><li>Strong experience supporting Linux-hosted middleware environments, DB2 LUW interfaces, queue and log monitoring, and disaster recovery operations.</li><li>Strong understanding of operational standards, root cause analysis, change-window governance, service continuity, and platform resilience practices.</li><li>Experience leading modernization, migration, or decommissioning initiatives within critical enterprise platforms.</li><li>Proven ability to lead small technical teams and coordinate multiple stakeholders, vendors, and operational groups.</li><li>Strong stakeholder-management and communication skills, with the ability to gather requirements and align technical solutions with business needs.</li><li>Comfortable operating within highly critical, governance-driven, and cross-functional enterprise environments.</li><li>Fluent in English (written and spoken).</li></ul>

Lead Mainframe SRE

Sidenor is looking for a SAP Sales &amp; Distribution Senior Specialist for its HQ in Maroussi. With 60 years of industry know-how and expertise, Sidenor is the largest steel industry in Greece and constitutes the steel production and trading segment of Viohalco. Sidenor Group is a leading steel producer in Southeastern Europe with 4 production units in Greece, Bulgaria and Northern Macedonia.If you want to be part of this large and dynamic organization, Sidenor Group has the opportunity for you!&nbsp;As the&nbsp;SAP Sales &amp; Distribution Senior Specialist,&nbsp;you will report to the Business Applications Senior Manager and be responsible for supporting SAP implementations and collaborating with different departments to ensure the quality and adoption of the projects.&nbsp;What you will need to do:&nbsp;<ul><li>Support and participate in SAP Implementations through: Prepare, Explore, Realize, Go-Live and Support</li><li>Business Analysis and Solution Design on SAP Module SD</li><li>Perform application configuration using the tools and features of SAP for Change Requests and Projects</li><li>Master and maintain detailed knowledge of relevant SAP SD Module</li><li>Knowledge in SAP Module QM, SalesForce or other Reporting tools (Qlik Sense, Power BI) will be an extra asset</li><li>Work with external consultants to complete projects, Change Requests and other issues within budget/time, ensuring quality and adoption</li><li>Guide and aid, team members on a variety of Commercial &amp; Supply Chain topics</li><li>Guide and Train end-users and ensure documentations are done as per the Group’s standards</li><li>Resolve tickets and provide support as per the agreed SLAs</li><li>Host regular reviews with business personnel on status &amp; performance and incorporate their feedback into service delivery</li></ul>&nbsp;What you need to possess:&nbsp;<ul><li>Bachelor’s Degree or MSc in Business Administration, Computer Science, Information Systems or any other related field</li><li>At least 5 years of hands on, project-based SAP experience in SAP SD implementation</li><li>Business Processes key users' knowledge</li><li>Experience in data migration, cutover preparation and execution</li><li>Strong knowledge about project methodologies</li><li>Strong knowledge about configuration of OTC processes (Sales, Returns ,Pricing, ATP, Billing, Credit/Debit memos)</li><li>Any SAP Certification is a plus</li><li>ABAP development experience will be considered as a plus</li><li>Previous experience working with large and complex matrix structures will also be considered as a plus</li></ul>&nbsp;What will lead you to success: <ul><li>Excellent communication and presentation skills (Greek &amp; English)</li><li>Must be able to work as a team player yet have the ability to work independently</li><li>Strong analytical skills and results-driven approach</li><li>Strong stakeholder management ability</li></ul>&nbsp;What we will offer to you: <ul><li>A workplace with a strong focus on values of teamwork, integrity, and ownership</li><li>Dynamic and friendly working environment</li><li>Competitive remuneration and benefits package</li><li>Continuous training and career development opportunities</li><li>Private medical &amp; health insurance plan</li><li>Food vouchers</li></ul><ul><li>Mental health and nutrition support line</li></ul>

SAP Sales & Distribution Senior Specialist

We are seeking a talented and experienced individual to join our team as a Global Consumer Website Technical Analyst. In this role, you will be responsible for providing functional and technical expertise to our extended Consumer Team, as well as supporting partners on various technical aspects related to our global consumer website.How you will contributeKey Responsibilities:<ul><li>Provide expertise on privacy, tagging, cookie banner, DNS, SSL, and conduct impact assessments of changing regulations in these areas.</li><li>Work directly with digital technologies such as OneTrust, Google Analytics, Contentful, and Algolia.</li><li>Act as a technical expert for the Modern Web Platform (MWP), providing governance, technical oversight, and design review of new component development and key custom components.</li><li>Offer technical consultancy on our Modern Web technology platfom to Regional Mar Tech leads and Consumer Experience teams.</li><li>Serve as a single point of contact for the Modern Web support team in resolving complex issues across multiple parties.</li><li>Provide technical expertise to product leads in driving the adoption of globally harmonized processes and ways of working to agencies and website owners.</li></ul>We are looking for someone who is passionate about technology, detail-oriented, and has excellent communication skills. The ideal candidate will have a strong background in full-stack web development and technical analysis, as well as experience working with modern web platforms and digital technologies.What you will bringA desire to drive your future and accelerate your career. You will bring experience and knowledge in:<ul><li>Strong experience of full-stack web development on Modern JAMStack platforms, including Front End Development technologies (React.JS), Backend Technologies (NodeJS), Content Management Systems (Contentful) and GCP cloud services</li><li>Hands on experience with GA/GTM (including server side) &amp; OneTrust</li><li>Experience of full lifecycle website delivery projects, including hosting and infrastructure</li><li>Technically curious &amp; resilient - able to work through a problem involving multiple interconnected systems</li><li>Project Delivery Methodologies inc. Agile</li><li>Excellent communication skills, both written and verbal</li><li>Ability to work collaboratively with other departments and stakeholders.</li><li>Strong collaboration skills, proactively sharing observations &amp; improvements areas, problem solving skills, attention to details, can-do attitude</li><li>Curiosity and energy to continually learn new marketing technologies and stay apprised of security and regulatory changes.&nbsp;</li><li>Familiar with basics of GCP cloud environment</li></ul>Opportunity to grow into:<ul><li>Website Technology Lead role, leading the development and enhancement of our website to drive customer engagement and satisfaction.</li><li>Solution Architect position, designing and implementing innovative solutions to address complex business challenges.</li><li>Regional Mar Tech Lead, responsible for driving marketing technology strategies and initiatives across multiple regions to maximize business impact.</li><li>Website Product Owner, owning the roadmap and vision for our website platform, driving feature development, enhancements, and improvements.&nbsp;</li></ul>

Global Website Technical Analyst (F/M/X)

Epsilon Net,&nbsp;the largest Group of Business Software in Greece with&nbsp;a full portfolio of specialized services and software solutions, offers you:Career Growth&nbsp;–&nbsp;Join a team where you can develop, learn, and evolve.Supportive Culture&nbsp;– Thrive in an environment that fosters teamwork, knowledge-sharing, and excellence.Top Clients &amp; Technology&nbsp;–&nbsp;Work with the best professionals in the development sector and cutting-edge tools&nbsp;As a Senior Systems and Network EngineerKey Responsibilities:• Deploy, and manage network infrastructure including routing, switching, and firewalling, in Fortinet and Cisco solutions• Configure and maintain NAC, VPNs, IDS/IPS, and network segmentation• Respond to and resolve security incidents, network outages, and system failures in the corporate helpdesk and incident management system• Manage, maintain and update Windows Server environments (Active Directory, DNS, DHCP, GPO, File Services)• Operate and optimize Hyper-V virtualization platforms• Ensure high availability through clustering, replication, and backup strategies• Monitor infrastructure performance and proactively address vulnerabilities and threats• Implement and enforce security policies, access controls, and compliance standards• Provide L3 support and troubleshooting for complex network, security, and systems incidents• Maintain accurate documentation of network topology, server configurations, and procedures• Evaluate and recommend new technologies to improve security posture and infrastructure efficiency• Mentor junior engineers and drive infrastructure improvement projects&nbsp;Requirements:•Bachelor's degree in Computer Science, Information Systems, Engineering, or related field•5+ years in a systems/network engineering role•Security-first mindset with real-world incident handling experience•Familiarity with security frameworks and best practices (NIST, ISO 27001, NIS2, DORA)•Hands-on experience with Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer, FortiSwitch) and Cisco technologies (Catalyst, Nexus, ISE)•Deep understanding of networking protocols: BGP, OSPF, VLAN, MPLS, SD-WAN•Experience with VPN technologies (IPsec, SSL/TLS)•Hands-on experience with Hyper-V cluster management•Proven expertise in Windows Server (2016/2019/2022) — AD DS, DNS, DHCP, GPO•Problem-solving skills and ability to work under pressure•Good communication skills in English&nbsp;Nice to Have:• Knowledge on Compliance and Security policies (ISO 27001 and GDPR, NIS2, DORA regulations)• Knowledge in Manage Engine’s services (Service Desk, Site 24x7, Patch Management)• Knowledge on Cloud Networking Technologies like SASE, SDWan, CASB, SSE, SWG, ZTNA• Relevant certifications are a plus: NSE 4–7, CCNA, CCNP, MCSA/MCSE, or equivalent• Experience with Azure ARC and Azure Local (HCI Stack)• Experience with Veeam backup solution• Knowledge of log management tools, EDR/XDR technologies and NOC / SOC services• Familiarity with storage technologies (FC, SAN, NAS, iSCSI)• Scripting skills (PowerShell, Python, Bash, …) for automation tasks• Experience with VMware vSphere / vCenter — ESXi hosts&nbsp;What We Offer:💰&nbsp;Competitive salary &amp; benefits package📚 Ongoing training &amp; career development (Epsilon Training &amp; Epsilon College)🩺 Private medical insurance &amp; psychological support services🏆 Multi-awarded workplace (Fortune’s 100 Best Companies to Work For in Europe 2024, Best Workplace in Technology, Best Workplaces for Women)

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lead mainframe sre

NΤT Data

sap sales & distribution senior specialist

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global website technical analyst (f/m/x)

Mondelēz International

senior systems and network engineer

Epsilon Net

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