MS Network Engineer (L3) Job at NTT DATA (Johannesburg)

Job Description

As a Networking Managed Services Engineer (L3) at NTT DATA, you will lead in providing exceptional managed services to our clients. Your day will revolve around proactively identifying and resolving technical incidents and problems, ensuring our clients meet all service level agreement (SLA) conditions, identify root cause of critical incidents and implement solutions for problems identified. With your advanced technical expertise, you will manage high-complexity tickets, conduct thorough analyses, and provide resolutions to a variety of complex issues, all while coaching and mentoring junior team members. Important responsibility is to create knowledge articles for frequent tasks/issues and train junior team members in executing those tasks. Provide inputs to automation teams to reduce manual efforts. You will ensure that our clients' infrastructure is configured, installed, tested, and operational, performing necessary checks and employing monitoring tools to respond to alerts in a timely manner. Your role will involve identifying and logging problems before they escalate, analysing and escalating support calls, and investigating third-line support calls to find root causes and solutions. Additionally, you will provide onsite technical support and field engineering services to clients, work closely with third-party vendors for issue escalation, and offer continuous feedback and updates to all involved parties. Through your efforts, you will drive operational improvements and optimize work processes, including opportunities for automation. You may also have the opportunity to manage and implement projects within the technology domain, deliver disaster recovery functions and tests, and improve the quality of incidents and service requests through random monthly reviews. Your work will play a key role in delivering high-quality services that ensure a positive client experience throughout their journey with us.

Job Responsibility

Lead in providing exceptional managed services to our clients
Proactively identify and resolve technical incidents and problems
Ensure clients meet all service level agreement (SLA) conditions
Identify root cause of critical incidents and implement solutions for problems identified
Manage high-complexity tickets
Conduct thorough analyses and provide resolutions to a variety of complex issues
Coach and mentor junior team members
Create knowledge articles for frequent tasks/issues and train junior team members
Provide inputs to automation teams to reduce manual efforts
Ensure clients' infrastructure is configured, installed, tested, and operational
Perform necessary checks and employ monitoring tools to respond to alerts
Identify and log problems before they escalate
Analyze and escalate support calls
Investigate third-line support calls to find root causes and solutions
Provide onsite technical support and field engineering services to clients
Work closely with third-party vendors for issue escalation
Provide continuous feedback and updates to all involved parties
Drive operational improvements and optimize work processes
Manage and implement projects within the technology domain
Deliver disaster recovery functions and tests
Improve the quality of incidents and service requests through random monthly reviews

Requirements

Oversee the implementation of complex IT security plans
Provide test automation and technical support for a network or a virtual private network
Understand firewalls and other network tools
Provide system documentation and diagrams as well as maintenance documentation
Implement change management procedures that accommodate system architecture changes
Identify and document undocumented areas of a network to develop a network diagram
Evaluate current IT resources and technology resources develops and maintains security policy by identifying and evaluating threats to the organization's information assets
Ensures that the systems and networks of the organization are secure and operational
Uses threat modeling techniques and threat intelligence to develop and maintain a network-based risk assessment tool
Analyzes and detects risks and vulnerabilities associated with new technologies, processes, and applications
Identifies and investigates risk and vulnerability issues and develops and implements solutions to resolve them
Assists in developing and maintaining standards and procedures
Performs security audit and penetration testing activities to evaluate security safeguards and identify ways to improve network security posture
Provides network security, network penetration testing, and traffic analysis services to large commercial organizations
Conducts comprehensive investigations and audits, performs all necessary forensics procedures, and responds to client requests for information
Reviews client network policies, policies, and security documents, and recommends changes or alterations
Experience with deploying network systems
Experience with security principles and principles of design
Excellent customer service skills
Ability to work independently with minimal supervision
Partake and abide by CAB processes when involved in changes
A well-working acquaintance in the Linux environment
Linux Shell Scripting
Security administration port security on switches and IP security on Routers via Access list
Preparing monthly work status reports and updating technology-specific documents
Responsible for designing and implementation of customers' network infrastructure
Cisco device management specific technical skills
Installing, Configuring, and Troubleshooting of Networking Equipment: Routers and Switches
Managing, Maintaining, and Configuring an Internetwork with the help of WAN technologies like PPP, Frame-relay, dedicated T1s, ISDN
Knowledge of Layer-2 Switching, Vlan’s, and Access-list
Routing Protocols: OSPF, EIGRP, IGRP, RIP, and RIPv2
Advanced knowledge of Multi-Protocol Label Switching (MPLS), Voice over IP (VoIP), Firewall PIX, Cisco Call Manager, and routing protocol BGP
Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SMTP, FTP, TFTP)
IP addressing and subnetting, Routing concepts
Sound knowledge of routing protocols - RIP V1/V2, OSPF, IGRP and EIGRP
Implemented SNMP on devices to allow for network management
Implemented traffic filters using Standard and Extended access lists, Distribute-Lists, and Route Maps
Implementation of HSRP, DHCP, DNS, FTP, TFTP, MRTG
Working knowledge of enterprise level network design and implementation
Knowledge and Experience with CISO DNAC
Knowledge of Enterprise Monitoring
Knowledge of incident management systems
Moderate years of relevant managed services experience
Moderate level knowledge in ticketing tools preferably Service Now and Remedy
Working knowledge of Infloblox
Fortinet SD-WAN
Knowledge of Cisco support and TAC processes
Knowledge of Fortinet support and TAC processes
Python scripting skills
Knowledge of Grafana and Prometheus automation and dashboarding
Knowledge of Netbox automation and dashboarding
Diploma, degree or relevant qualification in IT/Computing (or demonstrated equivalent work experience)
Must have the ability to build secure networks for enterprise applications
to maintain security configurations
and troubleshoot problems related to network configuration
Experience with network security and incident response preferred
CCNP Enterprise
CCIE Enterprise or Wireless
NSE5 – NSE6 and NSE7 will be an advantage
ITILv4 or up to date and relevant ITIL certification (Foundation Level)
CCNA Enterprise
CCNP Enterprise and advantage
Check Point Certified Security Administrator NG with Application Intelligence (CCSA-NG AI)
Cisco Firewalls and Routers
Cisco Devnet certification

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MS Network Engineer (L3)

Job Description

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