Sergej Lukac
Leicester,UK
Summary
Reliable and detail-focused professional currently seeking part-time administration or customer service roles, with immediate availability. Offering 4+ years’ experience across customer service, administration, aviation, retail and local government environments. Skilled in high-volume call handling, data entry, scheduling and customer support within fast-paced settings. Known for strong communication, accuracy, confidentiality and resolving enquiries efficiently while maintaining excellent service standards.
Overview
5
5
years of professional experience
2
2
years of post-secondary education
1
1
Certification
Work history
Water Specialist Perm.
Severn Trent | Call Centre
Leicester, Leicestershire
2025.12 - Current
- Managed over 50+ customer calls per day via phone and digital channels in fast-paced call centre environment
- Update CRM systems and maintain accurate customer records and documentation
- Resolve customer issues efficiently while meeting service targets and KPIs
- Manage sensitive personal data in line with confidentiality and GDPR standards
- Document customer interactions clearly for record-keeping and quality assurance
- Liaise with internal departments to resolve cases and ensure timely outcomes
Water Specialist Temp.
Morsons Talent Agency
Leicester, Leicestershire
2025.08 - 2025.12
- Completed high-volume administrative and call handling tasks efficiently within strict deadlines
- Utilised multi-line telephone systems for efficient call handling.
- Maintained call centre efficiencies, ensuring clear, effective communication with all departments.
Front of House
Jet2.com / Jet2holidays
East Midlands Airport
2024.04 - 2025.05
- Assisted 250+ passengers daily with check-in, boarding, ID/document checks.
- Delivered high-quality customer support, resolving travel issues in-person and remotely.
- Ensured full compliance with GSAT, manual handling, and safety protocols.
- Coordinated with operations and gate teams to maintain smooth airport flow.
- Maintained calm and professionalism during high-traffic hours.
Sales Assistant / Supervisor
Footasylum
Leicester
2022.04 - 2024.03
- Led sales floor operations and supervised team of 5+, driving weekly sales targets.
- Handled stock control, visual displays, and compiled inventory reports.
- Trained new staff, improving onboarding efficiency by 20%.
- Managed escalated customer complaints and refunds, achieving 95% satisfaction.
Finance/Admin Assistant
Leicester City Council
Leicester
2021.02 - 2022.03
- Processed invoices, managed records, and supported financial documentation.
- Scheduled internal meetings and tracked budget updates.
- Liaised with departments for data accuracy and compliance with deadlines.
- Maintained GDPR standards while handling confidential information.
- Assisted with budget preparations enabling effective financial planning.
Education
BTEC Level 3 Extended Diploma - Business & Finance
North Warwickshire & South Leicestershire College
Leicester 2021.01 - 2023.01
GCSEs - English, Mathematics, Business, ICT, Music, DT
Tudor Grange Samworth Academy
Leicester Skills
- Customer Service & Client Support
- Office Administration & Scheduling
- High-Volume Call Handling
- Data Entry & CRM Systems
- Microsoft Office & Google Workspace
- Remote Communication (Zoom, Teams)
- Teamwork & Time Management
- Problem Solving & Conflict Resolution
- Professional Communication
- Health & Safety Compliance
Certification
- GSAT - General Security Awareness Training (Aviation)
- First Aid - Emergency First Aid at Work
- Fire Safety & Evacuation Procedures
- Manual Handling Techniques
- Health & Safety Awareness (COSHH, Risk Assessment)
- Customer Service (In-Person & Remote)
Timeline
Water Specialist Perm.
Severn Trent | Call Centre
2025.12 - Current
Water Specialist Temp.
Morsons Talent Agency
2025.08 - 2025.12
Front of House
Jet2.com / Jet2holidays
2024.04 - 2025.05
Sales Assistant / Supervisor
Footasylum
2022.04 - 2024.03
Finance/Admin Assistant
Leicester City Council
2021.02 - 2022.03
BTEC Level 3 Extended Diploma - Business & Finance
North Warwickshire & South Leicestershire College
2021.01 - 2023.01
GCSEs - English, Mathematics, Business, ICT, Music, DT
Tudor Grange Samworth Academy