7 Network Security jobs in Lagos

Summary
To plan, install, configure, maintain, support and optimize network hardware and software and communication links. Also, to identify and remediate the potential security threats and assesses network vulnerabilities. br>Key Responsibility Areas
Manage network hardware which includes routers, switches, firewalls, wireless access points, VPN concentrators, multiplexers, and UPS systems
Administer security-related systems such as VPN servers, firewalls, intrusion detection systems, and network monitoring systems
Monitor VPNs, server and firewall logs, intrusion detection logs, and network traffic for unusual or suspicious activity and take appropriate action
Recommend and schedule network improvements, upgrades and repairs
Evaluate and recommend new networking and security products and technologies for use at our organisation.
Implement security standards, foresee potential security threats and avoid them.
Responsible for implementation of Business Continuity Plan and Disaster Recovery Plan Implement firewalls and information security policy
Conduct network vulnerability tests and perform periodic security audits and assessments
Liaison with vendors on all services and upgrades provided by them to our organisation.

Requirements
a. Education:
Graduate in Computer science or equivalent

b. Other Certifications and competencies
Additional qualifications required include:
• Cisco Certified Network Professional (CCNP) with specialization in Routing (and/or Security) < r>• MCSE in Windows Server < r>Competencies required:
• Management of the service switching between primary and secondary sites. < r>• Monitoring of the different virtual servers hosting the individual components of the application and ensuring optimal utilisation of the resources. < r>• Management of VMWare virtual servers < r>
c. Experience
1-3 years of experience in network and security domain management. Should have experience in setting up networks and implementing security guidelines and policies. Knowledge of implementing security standards will be preferred. Working knowledge of database administration will be an advantage.

Job Description
An exciting opportunity exists for a highly skilled IT security engineer to join a dynamic project team. The resource shall be responsible for the following br>
• Carry out procedural system maintenance on all IT systems. < r>• Ensure all networks including but not limited to LAN, MAN, WAN, GAN meets the demand of the company. < r>• Troubleshoot system and network problems, diagnosing and solving hardware or software faults and replace parts as required. < r>• Maintain all IT system work flows. < r>• Maintain and update all IT Networks. < r>• Maintain and contribute to the development of IT Network. < r>• Participate actively in developing, planning and implementing advance IT systems. < r>• Other duties as assigned. < r>
Functions:
• Lead cybersecurity initiatives in conjunction with Group Cybersecurity team. < r>• Design and implement security controls to safeguard and monitor events for information systems, enterprise applications and data. < r>• Lead the implementation of Information Security projects < r>• Drive internal and external vulnerability assessment, penetration tests engagements and manage results to remediation. < r>• Respond to escalated security events and drive security incident response processes to ensure timely resolution with minimal disruption. < r>• Design, document, and deploy secure infrastructure solutions to enhance and evolve the security posture of the business to ensure integrity, availability and confidentiality of all critical enterprise data. < r>• Provide expertise on security tools, including but not limited to firewalls, Web Application firewalls, IDS/IDP, anti-malware software < r>• Liaise with stakeholders in respect of operational implementation of security policies and best practices < r>• Collaborate with the Client Server Team to ensure that technical plans are practical, controls are sustainable, and implementations are managed to minimize risks and adverse impact to servers, workstations and user productivity. < r>• Implement the infrastructure, configurations and processes to monitor security related events < r>• Prevent data loss and service interruptions by researching new technologies that will effectively protect the enterprise network. < r>
Supervisory/Managerial Responsibilities:
• Ensure conformance to Cybersecurity Blueprint/Roadmap < r>• Provide inputs to company strategic plan on all initiatives to ensure that Security gaps/vulnerabilities are identified & closed < r>• Establish and ensure credibility through strong relationships, value-add to operations and professionalism < r>
Experience:
• Minimum of 5 years’ experience in an area of Security specialisation; with experience working with others
• Strong background as an Engineer/Architect in application security infrastructure and various network technologies to include devices such as firewalls, VPN, intrusion/extrusion detection, vulnerability & risk assessment tools, encryption technologies, virus/worm/malware prevention, E-business and web application technologies, Data Loss Prevention, whole disk & device encryption solutions, two factor authentication, common Windows (desktop & server) platforms < r>• Experience with Microsoft, Solaris, Unix, Oracle and MS SQL < r>• Experience working in telecommunications industry < r>• Managing network and / or network security < r>• Knowledge should be current with information security best practices and global trends < r>• Knowledge of security best practices such as; defense in-depth, least privileges, need-to-know, separation of duties, access controls, encryption < r>• User account identity, authorization and authentication management. < r>• Security incident and event management < r>• Experience in researching new or emerging technologies and processes that may be incorporated as solutions to reoccurring security concern < r>
Training:
• Penetration Testing < r>• Vulnerability lifecycle management < r>• Advanced Security Incidence Reponse < r>• Systems Auditing, Database Security, Firewall Design, Intrusion detection system administration Implementation < r>• Security enforcement on systems level, security audit and vulnerability management < r>• Telecommunications, Network, wireless & Internet Security

Our client requires the service of a highly skilled Network engineer with Fin-Tech experience to oversee and maintain all aspects of Network hardware. This includes maintaining networks security patches, configuration and security programs and systems.
br>Responsibilities
• Monitor Network security status, monitor Application and Response System (CSMARS) and other security monitoring tools < r>• Manage remote connections (VPN management) < r>• Monitor and enforce compliance with network security policies bank wide < r>• Carry out all suggested response actions to threats upon detection of a security breach or network attack < r>• Ensure proper functioning of all Security Devices (Checkpoints, ASA, PIX Firewall, IPS, Routers) < r>• Review logs of Security devices (Checkpoints, IPS, ACS,ASA,PIX Firewall) < r>• Coordinate the regular changing network devices passwords < r>• Carry out network security audit, periodic vulnerability assessment and network penetration < r>• Testing (ethical hacking) using tools such as Qualys guard and NMAP < r>• Generate and send Network Security Reports (daily, weekly, monthly) < r>• Research and suggest improvement initiatives with regards to Network Security < r>• Lockdown of all network devices and new equipment’s before deployment
• Remote Access Security configuration for new users/groups with access levels/permissions < r>• Security impact assessment for every new network activity and mitigation strategy implementation < r>• Monitor and ensure security of Wireless Network < r>• Perform other duties as assigned by Team Lead, Networks & Communications Management < r>
Skills/Competencies
• Good knowledge and understanding of banking operations < r>• Good and strong working knowledge of Cisco Router and Operating < r>• Experienced in firewall management < r>• Strong Network Troubleshooting Skills < r>• Relationship management < r>• Vendor Management < r>• Issues management < r>• Integrity and honesty < r>• Technology Innovation < r>• Issues management < r>• Methods, standards creation < r>
Behavioural Attributes
• Ability to make sound and logical security judgements < r>• Demonstrate leadership and personnel/project management skills < r>• Good understanding of the organisation's goals and objectives < r>• Strong interpersonal, written, and oral communication skills < r>• Able to conduct research into issues as required < r>
Supervisory Skills
• General administration < r>• General managerial/administration < r>• Team building/conflict management < r>• Leadership/coaching/supervisory/influencing < r>• Organisation and coordination < r>
Qualifications & Experience
• First degree in Computing Science, Engineer, operational sciences or (any other discipline with strong Information Systems component and or relevant IT Service Management certification) < r>• CCIE certification is a must < r>• Minimum of 2 years IT Operations experience in a technology environment < r>
Desirable
● CISSP, ITIL and other professional qualification will be an added advantage < r>
Location: Lagos, Nigeria

• Conceptualize and design systems to meet specific requirements, ensuring all components work harmoniously together.
• nsure that different subsystems and components fit together seamlessly. br>• D agnose and resolve issues that arise in systems, often requiring a deep understanding of various technologies. < r>• I stallation and maintenance of Access control and time attendance systems. < r>• C TV Camera Installation and maintenance. < r>• C nfiguration of IP and Analogue Cameras, Software installation and maintenance. < r>• S ar link Installation, integration and maintenance.

Location: Lagos, Nigeria Employment Type: Full-Time Salary: ₦200,000 Monthly (Net) Work Schedule: 24/7 Rotational Shifts Job Summary

We are seeking a highly skilled and dedicated NOC Engineer to join our technical operations team. The ideal candidate will have hands-on experience in network administration, telecommunications systems, and fixed wireless communication technologies . This role involves real-time system monitoring, troubleshooting, and maintaining the overall health of the network infrastructure to ensure uptime and performance standards are consistently met.

Key Responsibilities

Monitor network infrastructure 24/7 using advanced tools and perform real-time surveillance.

Perform system administration tasks across all network elements.

Detect, troubleshoot, and resolve network faults to ensure service continuity.

Analyze network traffic and performance trends; escalate issues to the Design Authority when necessary.

Escalate complex or unresolved incidents to Tier 3 Support or the Problem Management Team .

Maintain regular reports on SLA compliance with service providers.

Provide support on wave transmission and other telecommunications technologies.

RequirementsQualifications:

BSc or HND in Computer Engineering, Telecommunications, or a related discipline .

Minimum of 2–3 years of experience in a NOC or telecommunications environment .

Solid knowledge of fixed wireless and wave transmission technologies .

Proficiency in handling Cisco switches and network devices.

Must hold a valid Cisco CCNA or CCNP certification .

Experience with network monitoring tools such as PRTG, Zabbix, or SolarWinds.

Key Skills & Competencies

Strong analytical and problem-solving skills.

Excellent verbal and written communication abilities.

Able to work effectively under pressure and in a shift-based environment.

Good understanding of service uptime requirements and response protocols .

Adaptable and capable of working in a diverse, fast-paced technical environment .

Benefits

Competitive salary and shift allowance.

Health insurance coverage.

Paid time off and statutory leave.

Career development support and certification sponsorship.

Opportunity to work with a professional, growth-focused team.

Job Title:

Network Operation Centre (NOC) Engineer

Department/Unit:

 Technical Department

Reports to:

Chief Information Officer (CIO)

Internal Relationships:

·    Management Team

·    Customer Care Team

·    Technical Team

External Relationships:

·    Vendors and Partners

·    Clients or Customers

Job Summary

As a NOC Engineer, you will be part of a dynamic team responsible for maintaining the organization's network infrastructure. Your role will be crucial in ensuring the continuous availability and optimal performance of the network. Strong technical skills, attention to detail, and the ability to work under pressure are essential for success in this role.

Job Responsibilities - Key Result Areas

Network Monitoring and Maintenance

·    effectively monitoring the organization's network infrastructure

·    ensuring network availability, performance, and reliability.

·    proactive monitoring, identifying and resolving network issues

·    conducting routine maintenance tasks, and implementing preventive measures.

Ticket Management and Troubleshooting

·    Promptly responding to network issues, troubleshooting issues, and resolving them as per given SLA.

·    Accurately diagnosing problems

·    Coordinating with relevant teams for resolution

·    Documenting ticket details and resolutions.

Network Performance Optimization

·    Optimizing network performance by analysing network metrics

·    Identifying bottlenecks or areas for improvement, and implementing necessary changes or optimizations.

·    optimizing network configurations, capacity planning, and implementing performance enhancement measures.

Documentation and Reporting

·    Accurate and up-to-date documentation of network configurations, issues, changes, and resolutions

·    Maintaining network diagrams

·    Documenting standard operating procedures

·    Generating reports on network performance

·    Ensuring compliance with documentation standards.

Collaboration and Teamwork

·    Effective collaboration and communication with cross-functional teams, stakeholders, vendors, and customers

·    Clear and timely communication of network-related information

·    Providing technical support and guidance, and fostering positive working relationships.

Requirements

Skills: Possesses expertise in networking technologies, network monitoring and troubleshooting, incident management, network equipment, network security, and excels in communication and collaboration.

Knowledge: ISP technologies, internet protocols, traffic engineering, data centre operations, SLAs, documentation and reporting, as well as industry standards and best practices.

Key Performance Indicators

MTTR as per SLA

·    Network availability

·    Online ticket closure

·    Internal projects (backhauls, router, BTS installation)

Education and Experience

Education

·    Certifications such as CCNA, CCNP, or equivalent are preferred

·    Bachelor's degree in computer science, information technology, or a related field.

Experience

·    Proven experience as a NOC Engineer or in a similar network operations role.

·    Strong knowledge of networking protocols, such as TCP/IP, DNS, DHCP, SNMP, etc.

·    Proficiency in network monitoring tools and technologies, such as SNMP monitoring systems, packet analysers, etc.

·    Familiarity with network equipment, including routers, switches, firewalls, load balancers, etc.

·    Understanding of network security principles and best practices.

·    Ability to analyse and interpret network traffic and logs to diagnose issues.

·    Excellent problem-solving and troubleshooting skills.

·    Strong communication and interpersonal skills to collaborate effectively with team members and stakeholders.

Benefits1,200,000 - 1,560,000 Gross Per Annum Note: Only shortlisted candidates will be contacted.