Senior Middleware SRE Job at NTT DATA (Athens)

Senior Sre – Data & Middleware Observability & Incident Reduction Vice President

The Senior Incident Operations & Optimization Specialist for Data & Middleware i...

Location

United States , Irving

Salary:

125760.00 - 188640.00 USD / Year

Citi

Expiration Date

Until further notice

Requirements

A minimum of 8+ years of hands-on experience in database administration, middleware engineering, or enterprise data platform operations
Proven experience in event management, alert tuning, and incident reduction for data and middleware services, with measurable results
Direct, hands-on experience with modern AIOps and event management platforms
Deep knowledge of both relational (e.g., Oracle, SQL Server) and NoSQL (e.g., MongoDB) database technologies, including clustering, replication, and performance tuning
Expertise in middleware platforms, including messaging technologies (e.g., MQ, Kafka) and application servers (e.g., WebSphere, Tomcat)
Hands-on experience developing robust automation solutions using relevant scripting languages (e.g., Python, Shell) and modern automation frameworks
Proficiency in log analysis, pattern recognition, and using query languages for data analysis on log aggregation platforms
Excellent analytical abilities with a systematic approach to troubleshooting complex data platform architectures and correlating infrastructure issues with application impact
Exceptional communication skills with the ability to collaborate effectively with DBAs, middleware engineers, and application teams, and to present technical concepts to diverse audiences
Bachelor's degree in Computer Science, Information Technology, Computer Engineering, or a related technical field

Job Responsibility

Analyze and optimize monitoring across all database and middleware platforms to address high-volume, low-value alerts, identify patterns in incident generation, and determine root causes
Develop and implement domain-specific correlation, de-duplication, and suppression rules on AIOps and event management platforms
Create logic that understands database cluster relationships, messaging dependencies, and application-to-database connections
Architect and develop automation playbooks for incident data enrichment and automated remediation of common database and middleware issues, such as connection pool resets or service restarts
Identify monitoring gaps across the data and middleware landscape, proposing enhancements to ensure comprehensive health monitoring and address blind spots in transactional flows
Partner closely with Database Administration (DBA), middleware engineering, and application teams to validate correlation logic, build consensus on threshold changes, and provide expert guidance on event management best practices
Continuously validate the effectiveness of implemented rules and automation, ensuring critical health indicators remain highly visible
Lead post-implementation reviews and drive iterative improvements

What we offer

medical, dental & vision coverage
401(k)
life, accident, and disability insurance
wellness programs
paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays

Fulltime

Senior MainFrame SRE

As a Senior Mainframe Site Reliability Engineer, you will drive the reliability ...

Location

Greece , Athens

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Extensive enterprise-level expertise in CICS/TX and MQ delivery, upgrades, and cluster management
Strong command of Linux-hosted middleware reliability, performance and change-window control
Excellent stakeholder management and technical lead capability in a critical legacy-modernization context
6-8 years of experience in relevant roles
Fluent in English (written and spoken)

Job Responsibility

Lead all critical platform activities for the re-hosted CICS/TX and MQ service, including incidents, upgrades, new features and structural improvements
Own the evolution of the re-platformed middleware stack, including coordination with IBM, application groups and DR/cloud-readiness efforts
Set technical standards for availability, housekeeping, performance, RCA and operational excellence in this senior-heavy tower

What we offer

Health insurance for the employee and one dependent family member (100% paid by NTT DATA)
Meal vouchers of 120€ per month (x12)
Corporate mobile phone: subscription & device
Teleworking equipment allowance
Internal Trainings Platform Account
Access to Open Up mental health service
28 days of paid annual leave consisting of your legal holidays and compensation days

Fulltime

Senior Mainframe SRE

As a Senior Mainframe SRE, you will play a key role in ensuring the reliability,...

Location

Greece , Athens

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Bachelor’s or Master’s degree in Computer Science, Engineering, Information Systems, or related field (or equivalent experience)
10-15 years of experience in managing enterprise middleware platforms in large-scale production environments
Strong expertise in CICS/TX and IBM MQ administration, upgrades, clustering, performance tuning, and operational support
Strong experience supporting Linux-hosted middleware environments with focus on reliability, resilience, and operational governance
Proven experience in enterprise platform modernization, migration, or re-platforming initiatives
Strong understanding of disaster recovery, service continuity, operational readiness, and recoverability testing practices
Experience coordinating with vendors, infrastructure teams, and application stakeholders in complex enterprise environments
Strong troubleshooting, root cause analysis, and incident management capabilities
Excellent communication, stakeholder management, and technical leadership skills
Ability to operate effectively within highly critical and governance-driven environments

Job Responsibility

Lead critical platform activities across re-platformed middleware services, including incident management, upgrades, patching, feature enablement, and structural platform improvements
Own the operational evolution of the re-hosted CICS/TX and MQ platforms running on Linux-based environments
Coordinate with IBM, infrastructure teams, application groups, and cloud/platform engineering teams to ensure platform reliability, resilience, and modernization readiness
Define and maintain technical standards for platform availability, operational excellence, performance management, housekeeping, monitoring, and root cause analysis
Drive reliability and recoverability initiatives, including disaster recovery readiness, backup validation, failover testing, and service continuity improvements
Support platform modernization and cloud-readiness initiatives while ensuring production stability and controlled change implementation
Act as the escalation point for complex incidents, performance issues, service degradation, and critical operational events
Lead operational governance activities, including maintenance planning, change-window coordination, risk assessment, and release readiness validation
Promote continuous improvement initiatives focused on automation, observability, operational efficiency, and service resilience

What we offer

Health insurance for the employee and one dependent family member (100% paid by NTT DATA)
Meal vouchers of 120€ per month (x12)
Corporate mobile phone: subscription & device
Teleworking equipment allowance
Udemy Account
Access to Open Up mental health service
28 days of paid annual leave consisting of your legal holidays and compensation days

Fulltime

Senior Specialist Service Operations

The Senior Specialist – Service Operations is a highly experienced operational e...

Location

Egypt , Cairo

Salary:

Not provided

SITA

Expiration Date

Until further notice

Requirements

5+ years of experience in service operations, application support, systems or platform operations
Strong scripting expertise: PowerShell (expert), Python (strongly preferred)
Deep understanding of distributed application architectures, API-based integrations, Windows-based environments (Linux beneficial)
Hands-on experience with monitoring and endpoint tools (e.g., Nexthink, DEX, EDR, observability platforms)
Proven ability to lead complex troubleshooting efforts under pressure
Strong ITIL knowledge with practical application in Major Incident and Problem Management
Ability to balance short-term recovery with long-term reliability improvements
High standards for documentation, automation quality, and operational consistency
Clear technical communicator, capable of explaining complex failures to both technical and non-technical stakeholders
Ownership-driven, proactive, and improvement-oriented

Job Responsibility

Own complex and high-impact incidents across PAX applications (SBD, CUPPS, Touchpoints, Smart Path, Flex, Maestro)
Act as technical lead during Major Incidents (P1/P2), driving investigation, coordination, and recovery
Validate incident quality, escalation paths, and technical accuracy before handover to SRE or Engineering
Proactively identify operational risks and stability gaps based on incident trends and telemetry
Perform advanced root cause analysis across application stacks, middleware and integrations, backend services and databases, hardware interfaces and external airport systems
Own the end-to-end technical narrative of incidents and problems (what failed, why, how it propagates)
Support and sometimes lead post-incident reviews, ensuring clear corrective and preventive actions
Serve as escalation point for Specialists during complex or ambiguous technical issues
Design and maintain production-grade automation using PowerShell (primary) and Python (preferred)
Lead automation initiatives such as proactive health checks, self-healing workflows, noise reduction and false-alert elimination

What we offer

Flex Week: Work from home up to 2 days/week
Flex Day: Make your workday suit your life and plans
Flex-Location: Take up to 30 days a year to work from any location in the world
Employee Wellbeing: Employee Assistance Program (EAP) 24/7/365
Champion Health - personalized wellbeing platform
Professional Development: access to LinkedIn Learning, Microsoft's Enterprise Skills Initiative, Airport Council International, Pluralsight, Harvard Business Publishing, Stanford and many others
Competitive Benefits

Fulltime

Senior Application Support Analyst

We are looking for an experienced App Support Senior Analyst with strong techno-...

Location

India , Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

7+ years of relevant work experience
Hands-on experience with common database technologies and SQL queries (e.g., Oracle, Mongo DB, Sybase)
Working knowledge of popular application monitoring tools (e.g., Grafana, ITRS Geneos, AppDynamics)
Good understanding of middleware technologies (e.g., MQ, Kafka)
Basic understanding of web server technologies (e.g., WebLogic, WebSphere)
Working knowledge of ITIL tools like ServiceNow
Strong technical troubleshooting and problem-solving skills
Excellent verbal and written communication skills
A solid understanding of Observability, Site Reliability Engineering (SRE), and Open Telemetry Principles
A degree in a technology-related field

Fulltime

Lead Mainframe SRE

As a Lead Mainframe Site Reliability Engineer, you will drive the reliability an...

Location

Greece , Athens

Salary:

Not provided

NTT DATA

Expiration Date

Until further notice

Requirements

Senior enterprise depth in CICS/TX and MQ delivery, upgrades and cluster management
Strong command of Linux-hosted middleware reliability, performance and change-window control
Excellent stakeholder management and technical lead capability in a critical legacy-modernization context.

Job Responsibility

Lead all critical platform activities for the re-hosted CICS/TX and MQ service, including incidents, upgrades, new features and structural improvements
Own the evolution of the re-platformed middleware stack, including coordination with IBM, application groups and DR/cloud-readiness efforts
Set technical standards for availability, housekeeping, performance, RCA and operational excellence in this senior-heavy tower.

What we offer

Health insurance for the employee and one dependent family member (100% paid by NTT DATA)
Meal vouchers of 120€ per month (x12)
Corporate mobile phone: subscription & device
Teleworking equipment allowance
Internal Trainings Platform Account
Access to Open Up mental health service
28 days of paid annual leave consisting of your legal holidays and compensation days
Access to certified psychologists and online mental health workshops
Diversity, Equity & Inclusion initiatives
BeFlex policy for work-life balance

Fulltime

SRE Consultant

The Site Reliability Engineering Consultant at NTT DATA will be responsible for ...

Location

United States , New Jersey

Salary:

125088.00 - 156360.00 USD / Year

NTT DATA

Expiration Date

Until further notice

Requirements

Bachelors degree in computer science/mathematics/physics or related technical subject
9+ years in a site reliability engineering related role
Proven hands-on expertise and the capability to demonstrate technical proficiency in Programming (Java, Python, or equivalent)
Containerization
Kubernetes
GitOps
High Availability Systems
Infrastructure as a code
Configuration Management
Observability (tools and implementation)

Job Responsibility

Demonstrate an in-depth understanding of Software Development Lifecycle
Ability to operate in a global environment with on-/near-/off-shore matrix reporting structures
Operate into a highly regulated environment
Improve the service level the team provides to our end users
Drive Continuous Delivery and Automation efforts across the supported applications
Foster a culture that promotes transparency and innovation for increased team productivity
Coach members of the team and outside the immediate reporting line about the best practices
Implement the Agile Framework through one of its implementations like SCRUM or Kanban
Avidly communicate progress and project status across the organization

What we offer

Medical, dental, and vision insurance with an employer contribution
Flexible spending or health savings account
Life and AD&D insurance
Short and long term disability coverage
Paid time off
Employee assistance
Participation in a 401k program with company match
Additional voluntary or legally-required benefits

Fulltime

Senior UI Engineer

Engineer the future of global finance. At Citi, our Tech team doesn’t just suppo...

Location

United Kingdom , London

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

Significant progressive experience in backend software development, with a proven track record of owning the design and delivery of complex, large-scale software projects as a senior individual contributor
Deep, hands-on expertise and architectural understanding of enterprise-level middleware technologies including Java, Spring Boot, Kafka, Microservices architecture, GraphQL, and NoSQL databases. Demonstrated experience with high-volume, low-latency distributed systems. Experience with Apache Flink is a significant advantage
Demonstrated ability to architect, design, and implement highly scalable, resilient, secure, and performant distributed systems
Expert-level understanding of the modern Software Development Lifecycle (SDLC), CI/CD pipelines, DevSecOps, and Site Reliability Engineering (SRE) best practices, with extensive, hands-on experience in their practical application
Exceptional verbal and written communication skills, capable of articulating complex technical concepts to diverse audiences and working effectively with business and technical stakeholders to drive positive outcomes
Bachelor’s degree in Computer Science, Engineering, or a related technical field is required
a Master’s degree or equivalent advanced professional qualifications are a plus

Job Responsibility

Actively contribute to and uphold the long-term technical vision and architectural roadmap for core platforms within the Banking Technology middleware ecosystem, encompassing Java, Spring Boot, Kafka, Microservices, GraphQL, and NoSQL databases. Implement and advocate for organizational engineering standards, best practices, and architectural patterns to ensure scalability, reliability, security, and maintainability across all engineering initiatives
Lead by example in coding, design, and problem-solving. Mentor and provide technical guidance to senior and junior software engineers, fostering a culture of innovation, continuous learning, and technical excellence. Share knowledge, best practices, and innovative solutions with the team
Apply and champion DevSecOps and Site Reliability Engineering (SRE) principles in daily work, ensuring high standards of system availability, performance, security, and operational efficiency for critical production platforms. Proactively identify and address technical debt, mitigate system risks, and implement robust disaster recovery capabilities
Act as a primary technical advisor to senior business leaders and product owners, translating complex business requirements into clear, actionable technical designs and innovative solutions. Effectively articulate technical insights, architectural decisions, and development progress to diverse audiences
Actively drive the exploration, evaluation, and hands-on application of emerging technologies, advanced architectural patterns, and innovative solutions (e.g., Apache Flink, Artificial Intelligence) to enhance product offerings and improve engineering productivity
Collaborate extensively with other engineers and technical leads across engineering, product management, and operations to ensure alignment of technical designs, seamless integration of solutions, and achievement of broader organizational goals. Influence technical decisions through deep expertise and well-reasoned arguments
Take ultimate accountability for the successful, on-time delivery of complex, high-quality, and user-centric software components. Uphold rigorous engineering standards through thorough design, code, and security reviews, and contribute to comprehensive technical documentation, ensuring a culture of engineering excellence

What we offer

27 days annual leave (plus bank holidays)
A discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources

Fulltime

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Senior Middleware SRE

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