WE’RE HIRING: MIDDLEWARE ADMINISTRATION & OPERATIONS LEAD IN POLAND!
Excis
is a global IT support leader driven by innovation, collaboration,
and excellence.
We are hiring a
Middleware Administration & Operations Lead
to
manage and optimise middleware platforms supporting application deployment,
integration, and runtime environments. You will ensure performance, stability,
and security across web/app servers and messaging systems, while driving
modernisation through automation, containerisation, and cloud adoption.
About us:
-
Client
presence in
190+ countries
-
6000+
engineers
globally
-
Trusted
by
200+ enterprise clients
We foster an open, friendly, and collaborative culture where individual
contributions drive team success. From solving complex infrastructure
challenges to enabling modern application platforms, we put our people first.
Key Responsibilities:
-
Lead the deployment, configuration, upkeep, and
optimisation of enterprise middleware platforms (MS IIS, IBM WebSphere, IBM MQ,
Tomcat, Apache).
-
Ensure operational health and performance of
middleware instances, runtime environments, and hosted applications.
-
Perform middleware performance tuning, JVM
optimisation, thread/heap tuning, connection pool tuning, MQ channel tuning.
-
Oversee middleware version upgrades, patching
cycles, vulnerability remediation, and lifecycle management.
-
Ensure compliance with security policies,
including TLS enablement, hardened configurations, and access control.
-
Troubleshoot middleware outages, performance
degradation, application routing problems, and integration failures.
-
Manage integration with load balancers, work with
Network Security and Network Data teams on supporting WAF, DNS, certificates
and application routing infrastructure.
-
Maintain detailed documentation of middleware
architectures, topologies, and configuration baselines.
-
Collaborate with application development teams on
deployment patterns, middleware integration, and performance concerns.
-
Lead middleware capacity and utilisation reviews
and plan for scaling and optimisation.
Support governance, reporting, and service review meetings for middleware
services.
-
Ensure audit readiness through proper
configuration, logging, access reviews, and control enforcement.
-
Drive improvements in middleware deployment
automation, configuration management, and standardisation.
-
Manage relationships with middleware vendors and
coordinate support cases and escalations.
-
Mentor and guide L2 Middleware Analysts;
contribute to operational knowledge base. Organize an On-Call rota for this
area.
-
Support application onboarding, integration
testing, environment preparation, and pre-production readiness.
-
Support business continuity planning and DR
(Restore) tests for middleware platforms.
-
Ensure secure disposal/decommissioning of
middleware assets and outdated components.
Required Skills & Qualifications:
-
Expertise with MS IIS, IBM WebSphere, IBM MQ,
Tomcat, Apache administration, patching, and configuration.
-
Strong middleware performance tuning:
JVM settings
thread pools
garbage collection
connection pools
MQ channels & queues
-
Experience integrating middleware with load
balancers (NetScaler/F5), WAF, and DNS for application routing.
-
Strong understanding of TLS, cipher suites,
certificate binding, PKI, and secure endpoint configuration.
-
Experience with observability and monitoring for
middleware: logs, metrics, alerts, tracing.
-
Understanding of middleware security controls,
authentication mechanisms, and access management.
-
Knowledge of messaging and integration patterns
with IBM MQ, JMS, or enterprise integration services.
-
Experience with migration and consolidation of
middleware environments.
Familiarity with containerisation and cloud-based middleware (WebSphere
Liberty, Tomcat on Kubernetes).
-
Ability to troubleshoot complex application
runtime issues and collaborate with development teams.
-
Skills in scripting and automation (PowerShell,
Bash, Python, Ansible).
-
Experience with compliance, license management,
and vendor engagement.
-
Strong mentoring and people leadership for
middleware L2 analysts.
Why Join Us?
At Excis, your work has a direct impact. You’ll be part of a dynamic and
hands-on team where your technical expertise drives user satisfaction and
operational success.
We offer:
-
A collaborative and supportive work environment
-
Opportunities for continuous learning and career growth
-
Exposure to diverse technologies and global clients
