AWS/Infrastructure Technical L3 Support

Náplň práce, právomoci a zodpovednosti:

We are looking for a senior AWS-focused Technical Services Engineer (Level 3) to join our Managed Services team. In this key role, you will act as the final escalation point for complex AWS technical issues, while maintaining the performance, reliability, and security of mission-critical environments. You will manage full lifecycle operations - from system upgrades to patching, performance monitoring, and change documentation - across both production and non-production systems. On this position, your responsibilities will be:

• Troubleshoot and resolve complex technical issues across AWS-based infrastructures
• Back up and restore EC2 instances and attached volumes
• Patch and maintain operating systems and applications
• Perform application upgrades, including new releases across environments
• Change instance configurations (e.g. disk size, FSx file systems, compute resources)
• Manage and upgrade database instances (PostgreSQL, SQL Server), including version control
• Administer IAM and Active Directory group-based access management
• Monitor system and application performance via AWS CloudWatch and Splunk
• Plan and execute system migrations and infrastructure changes
• Lead and document change processes via ServiceNow (SNOW), including evidence of installs/patches
• Ensure optimal performance and resource utilisation across environments
• Collaborate with infrastructure, DevOps, and security teams on cross-functional issues and improvements
• Provide technical guidance to Level 1 and 2 engineers
• Drive continuous improvement initiatives and support disaster recovery planning

Zamestnanecké výhody, benefity:

• Company bonus (based on company financial results)

​• Referral bonus depending on level of person referred

​• Business mobile (also for private calls) and laptop
​• Heath-/Dentalcare costs coverage (up to 250EUR/year)
​• Allowance for foreign languages classes/sport and leisure activities (up to 200EUR/year)
​• 3 sick days per calendar year
​• 2 extra days off for your wedding
​• Social events (team-buildings and team-dinners)
​• Budget for trainings & certifications
​• Monthly events in Kosice (Office)
​• Free snacks & drinks in the office
​• Home Office upon agreement (or possibility to work from our office in Kosice)
​• Flexible working hours
• Become part of an established company with a start-up mindset (Self-organizing, flat hierarchy)

• Ice Hockey Tickets Discount (HC Kosice home games)

• Supplementary pension scheme (the third pillar) contribution​

Informácie o výberovom konaní:
Please submit your application in English.
Thank you for applying to Arcondis!

Požiadavky na zamestnanca:

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•  Deep expertise with AWS services (EC2, RDS, S3, IAM, FSx, VPC, CloudWatch, etc.)
• Proven experience in scripting, automation, and infrastructure as code (e.g. Terraform, CloudFormation, AWS CLI)
• Strong understanding of IAM, Active Directory integrations, and role-based access controls
• Experience with database management (PostgreSQL, SQL Server), including patching and upgrades
• Familiarity with monitoring tools such as Splunk and AWS-native solutions
• Excellent documentation and change management skills, ideally with SNOW
• Strong customer orientation and ability to handle high-pressure, critical issues
• Hands-on experience with application lifecycle management in cloud environments
• Minimum: High school diploma or equivalent
• Preferred: Bachelor’s degree in Computer Science, Information Technology, or a related field
• AWS certifications (e.g. Solutions Architect, SysOps Admin, DevOps Engineer) are highly desirable