Network Operations Center (NOC) Engineer
Sigma Consulting Group
Date: 1 day ago
City: Lagos, Lagos
Contract type: Full time

Location: Lekki, Lagos, Nigeria
Employment Type: Full-Time
Experience Level: 2 - 4 Years
Net Monthly Salary: 250,000
Overview
We are seeking a skilled and proactive Network Operations Center (NOC) Engineer to join our fast-paced technical team in Lekki. This role is essential to ensuring the reliability, availability, and optimal performance of our IT and telecommunications infrastructure.
As a NOC Engineer, you will be responsible for real-time network monitoring, incident response, and the overall health of critical network components. If you are detail-oriented, technically sound, and thrive in high-pressure environments, wed love to meet you.
Key Responsibilities
Education:
Qualified and interested candidates should submit their CV and a brief cover letter via the portal:
https://www.mysigma.io/jobs/noc-engineer/
Subject Line: Application for Network Operations Center (NOC) Engineer Lekki
Employment Type: Full-Time
Experience Level: 2 - 4 Years
Net Monthly Salary: 250,000
Overview
We are seeking a skilled and proactive Network Operations Center (NOC) Engineer to join our fast-paced technical team in Lekki. This role is essential to ensuring the reliability, availability, and optimal performance of our IT and telecommunications infrastructure.
As a NOC Engineer, you will be responsible for real-time network monitoring, incident response, and the overall health of critical network components. If you are detail-oriented, technically sound, and thrive in high-pressure environments, wed love to meet you.
Key Responsibilities
- Conduct continuous 24/7 network monitoring and surveillance to detect faults and performance degradation.
- Administer system-level tasks across all elements of the network.
- Identify and troubleshoot potential problems proactively to prevent outages and service degradation.
- Analyze network traffic patterns, flag anomalies, and escalate concerns to the design or engineering teams.
- Resolve issues within the NOC or escalate to third-level support when required.
- Maintain incident logs and use network monitoring and diagnostic tools effectively.
- Monitor key vendor SLAs and report non-compliance or service gaps.
- Ensure timely resolution of incidents and customer-reported issues in alignment with SLAs.
- Collaborate across internal teams to improve system reliability and operational workflows.
Education:
- B.Sc. or HND in Computer Science, Computer Engineering, Telecommunications, or a related technical discipline.
- Minimum of 2 - 4 years in a NOC, telecom operations, or technical support role.
- Required: Cisco Certified Network Associate (CCNA)
- Preferred: Cisco Certified Network Professional (CCNP) or other relevant networking certifications
- Strong experience with Cisco switches and IP network administration
- Solid understanding of Fixed Wireless Access (FWA) and microwave technologies (PtP/PtMP)
- Knowledge of DWDM/OTN and fiber diagnostic tools (OTDR, E-Analyzer, SDH Analyzer)
- Skilled in analyzing OSI layer interactions for troubleshooting network issues
- Familiarity with NOC monitoring systems, alerting platforms, and ticketing tools
- Capable of logical fault isolation under pressure and minimal supervision
- Experience supporting telecommunications or ISP-level networks
- Excellent verbal and written communication
- Analytical thinking and sound decision-making under pressure
- Disciplined, self-motivated, and capable of independent troubleshooting
- Adaptability to work within multicultural and high-demand environments
- Willingness to work on a 24/7 rotating shift, including weekends and public holidays
- Competitive net monthly salary: 250,000
- Health Insurance Coverage
- Pension Contributions
- Airtime/Data Allowance
- Ongoing Training & Certification Support
- Career advancement opportunities within a fast-growing technology-driven company
Qualified and interested candidates should submit their CV and a brief cover letter via the portal:
https://www.mysigma.io/jobs/noc-engineer/
Subject Line: Application for Network Operations Center (NOC) Engineer Lekki
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