System Engineer - Application Servers

Hays Italy, part of the multinational Hays group, a company listed on the London Stock Exchange, which offers consulting services in the Information Technology sector with the aim of contributing to the success and technological progress of individuals and companies, is looking for a

System Engineer

– Application servers

to operate & evolve the company’s

Hosting

platforms. This role focuses on the

application

layer

supporting enterprise‑grade

web hosting

&

critical services , ensuring high availability, security & performance across a large‑scale infrastructure.

Field : national provider of

cloud ,

hosting ,

domain registration ,

data center

&

trust services

(including

certified email / PEC )

Key Responsibilities Operate & maintain the

ELK

/

Kafka ‑based log ingestion & search stack, ensuring

high availability , scaling & fine‑tuning (topics, partitions, shards, indices, ILM, retention) Proactively

monitor capacity

&

performance ; analyze

monthly reports

&

trends

to

forecast growth

&

prevent incidents Engineer & optimize

Logstash

pipelines,

Grok

patterns & parsing/transport paths; reprocess failed events & reduce parsing failure rates Implement

patch management , address end‑of‑life scenarios & apply

security fixes

according to guidelines provided by the Security function Maintain

observability dashboards

&

metrics

( Grafana / Elastic ) & improve

alerting fidelity Administer & optimize

application servers

&

reverse proxy

components, including

Nginx ,

Apache

HTTP Server,

Tomcat

&

WildFly , ensuring scalability & resilience Configure & maintain

reverse proxy

&

load balancing

for high‑traffic

hosting environments

Requirements Solid hands‑on experience administering

ELK

ecosystems at scale, including

Kafka

/

Zookeeper ,

Logstash ,

Elasticsearch

cluster sizing & tuning Strong

Linux

systems administration ( Ubuntu ,

CentOS / RHEL ,

Debian ) in clustered HA environments; working knowledge of

Microsoft Windows Server 2012–2019

as needed Strong expertise in

Nginx

(reverse proxy, SSL termination, caching) &

Apache HTTP Server

configuration Hands‑on experience with

Tomcat

&

WildFly

& troubleshooting application‑level issues Knowledge of

load balancing ,

high availability clustering

&

performance tuning

for web hosting platforms IaC:

Ansible

(roles, inventories, AWX) &

Terraform

for provisioning & drift control CI/CD & versioning:

GitLab Familiarity with

ITIL

processes (Incident/Change/Service Request) & ticketing via

JIRA Clear technical writing for run books & operational documentation

Location : completely

full remote

–

Italy-based

Freelancers

are highly welcomed too

Candidates of

any gender identity , after reviewing the mandatory privacy notice available at www.hays-itservices.it, are kindly requested to submit their CV in

PDF

format, quoting the reference number (Ref.

--- ). Hays Solutions S.r.l. Sole Shareholder Company. Subject to the management and coordination of Hays Plc.