Senior Unified Communications Engineer

The Adecco Group; Kraków; Hybrid; PLN 142,000 - 202,000; Full time

Job summary

The Adecco Group in Kraków is actively seeking a senior Cisco Collaboration engineer with 7+ years of hands-on experience in enterprise voice, video, and contact center environments. You will lead complex troubleshooting and act as a high-touch consultant for major customers.

The role demands expertise in UCCE, CUCM, and SIP, with a strong track record of eliminating outages under tight SLAs. This is a B2B contract on a Kraków hybrid work model.

Qualifications

• Minimum of 7+ years of dedicated, progressive hands-on engineering, support, or implementation experience in complex Cisco enterprise collaboration, voice, and contact center environments.
• Troubleshooting Mastery: Proven track record in solving multifaceted, mission-critical voice/video/signaling degradation issues under tight SLAs.
• Enterprise Customer Exposure: Led technical consulting or high-touch engineering for large-scale enterprise, financial, government, or telecom customers.
• Education: Bachelor’s degree in Computer Science, Telecommunications, Information Technology, Electrical Engineering, or equivalent practical industry experience.

Responsibilities

• Lead technical consultant or high-touch engineer for large-scale enterprise customers.
• Provide expert troubleshooting and customer-facing escalation management.
• Collaborate with cross-functional teams to resolve complex Cisco collaboration issues.

Skills

Collaboration experience

UCCE

CUCM

SIP

Enterprise troubleshooting

Customer-facing escalation management

Education

Bachelor’s degree in Computer Science / Telecommunications / IT / Electrical Engineering

Job description

Type - B2B Contract with The Adecco Group

Payrate on B2B contract - 125 PLN /hour Net

Desired Start Date: ASAP

Request End Date: 9/30/2027

Work mode - Krakow Hybrid

The strongest requirement is 7+ years of hands-on Collaboration experience, particularly UCCE, CUCM and SIP, combined with strong enterprise troubleshooting and customer-facing escalation management experience.

PROFESSIONAL EXPERIENCE & EDUCATION REQUIREMENTS

Relevant Experience: Minimum of 7+ years of dedicated, progressive hands-on engineering, support, or implementation experience in complex Cisco enterprise collaboration, voice, and contact center environments.

Troubleshooting Mastery: Proven track record in solving multifaceted, mission-critical voice/video/signaling degradation issues under tight SLAs.

Enterprise Customer Exposure: Demonstrated experience acting as a lead technical consultant or high-touch engineer for large-scale enterprise, financial,

government, or telecom customers.

Education: Bachelor’s degree in Computer Science, Telecommunications, Information Technology, Electrical Engineering, or equivalent practical industry

experience.

4. CERTIFICATIONS & TECHNICAL CREDENTIALS

Preferred Industry Credentials:

• Cisco Certified Network Professional (CCNP) - Collaboration (Highly Preferred)
• Cisco Certified Internetwork Expert (CCIE) - Collaboration written/lab (Significant Advantage)
• Specialized certifications in Cisco Contact Center (UCCE/PCCE) or Webex Calling administration.