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ResumeSTEPHEN JOHNSTON
29 Marina CrescentGymea BayNSW, 2227
TEL: 02 9540-4010 (H)0481522194
Profile
I am currently in a 3 month contract with Armada Solutions working at Fuji Xerox on the NAB Cheque scanning project. Here I am involved with the security & internetworking of the various financial networks. Recently ceased working for a mid-sized Infrastructure company called RCR Tomlinson as a senior network engineer. Previously, I was at Communications, Design, Management (CDM) as a Senior Network Engineer. I have also contracted for the Commonwealth Bank as a Network Performance Engineer. Previous to that, I was employed by the Queensland Government agency Citec as a Network Analyst in the Sydney office within the Network & Security Services group. I have over 35 years of experience in the operations, design and maintenance of IP and switched data networks. I also have over 15 years of experience in team leader roles. I have a Strong background in design, build, install, integrate and maintenance of multiple complex network technologies, platforms and systems.The main emphasis of my work to date has been in the architecture of backbone and client networks, the delivery, support and maintenance of international and domestic networks for customers and to provision new services onto these networks. I have a well-developed technical knowledge of network management, security & operational principles with a focus on customer satisfaction. In all my roles I have had strong client interaction both over the phone and with face to face meetings.
Training Courses
HP Unified Wireless & BYODHP IMC Essentials
HP Architecting Open StandardsHP SDN Essentials
Junos N/W FundamentalsIOS to Junos
Junos as a Security LanguageCisco Router Configuration (TCP/IP)
Cisco Advanced Router ConfigurationCisco - Implementing Cisco MPLS
Cisco – Cisco Voice over IP Cisco - QOS
Cisco – Call manager V5Cisco – Optimizing Network Technologies
Cisco – Securing Networks with Cisco Routers & SwitchesCisco – BGPv4
F5 LTM EssentialsF5 LTM Advanced
F5 GTM Novell Administration (IPX/SPX)Oracle database version 5, 6 & 7
Windows NT Administration
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UNIX AdministrationNortel – Passport Operation & Maintenance
Nortel – ATM fundamentalsAscend TNT Installation & Configuration
SNA ProtocolsX.25 Protocols
Frame Relay ProtocolsATM Protocols
Certifications
Cisco CCIE (Written)Cisco CCNPCisco CCIP
Cisco CCNA Cisco CCNA (Security)
Cisco SNRSHP ASE
Novell CNE Vers 5Cabling License: 00230536921
Electronics Engineering CertificateITIL Foundation Certificate in IT Service management
Graduate Certificate of Telecommunications Engineering (UTS)Australian Government Baseline security clearance (658239) 22/10/2014
Key Skills and Abilities
Design/Architect Specialist Network solution/systems to meet Customer requirements. Design/Architect and develop high level Specialist Network operations strategies and
solutions Solid leadership and communication skills. Taking charge of situations and seeing them
through to conclusion. Ability to work with my staff and other groups to determine deficiencies in their technical
abilities and to apply appropriate training. Working with the Architecture team to deliver designs & provide feedback & new ideas. Working as the architect on design modifications for client N/W’s. Working directly with clients to build networks to suit their requirements. Good exposure to VoIP N/W’s and IP telephony Good knowledge on the Fortinet & Palo Alto firewalls. Good knowledge on the A10 Load balancers Good knowledge on the Dell Force 10 fibre switches Extensive knowledge of data centre concepts & cabling. Provide the project planning and work plan developments. Ability to manage multiple
projects and have them delivered in a timely manner. Excellent customer focus, able to work with clients to restore services and deliver projects to
meet expectations. Extensive knowledge of MPLS Networks. Extensive knowledge and proven ability on the Cisco platform (1600 series to 7600 series
routers) with CCNP & CCIP certification. Including IOS upgrades. Extensive knowledge of the Cisco IOS Firewalls including CBAC & Zone based F/W’s. Along
with IPS configurations. Extensive experience in configuring client N/W in a complex security solutions
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Thorough knowledge and proven ability on L2/l3 switching technologies, including Ethernet, VLAN. Routing protocols including EIGRP,OSPF & BGP. Quality of Service protocols including MPLS & RSVP. Network Security products including Radius & IPsec. Load balancing including HSRP, VRRP & GLBP.
Good knowledge of IPv6 Good knowledge on the Cisco ASA Firewalls. Good knowledge on the Cisco ironports Good knowledge on the Cisco WAVE Appliances Good knowledge on the Cisco Nexus 5548 knowledge on the Cisco Video Conferencing equipment knowledge on Avaya Good knowledge on the Solarwinds monitoring tool Good knowledge of the Juniper SRX series routers 210 up to 650 & the Junos operating
system. Good knowledge of the Juniper EX series Switches 2200/3300/4300. Good knowledge of the HP series switch & routers. Using both Comware & Provision S/W. Good understanding of load balancing techniques with F5 Load balancers both LTM & GTM. Good understanding of VoIP protocols & the router configuration. Configured & maintained
in-house VoIP N/W using Call-manager express including upgrades & fault finding. Extensive knowledge of Network addressing standardsIPv4 & IPv6. Subnetting & supernetting
and the use of Autonomous system in the BGP & EIGRP protocols. Good knowledge of the Cisco ACS & Juniper SBR Radius servers Good knowledge of the Mobile & Wireless standards. Including 802.11(a,b,g, ac). CDMA,
GPRS, GSM, 3G & 4G Good knowledge of Network management technologies. Including HP Openview, Solaris, the
SNMP protocol. Security management using RSA tokens, RADIUS & TACACS (AAA) Extensive ATM knowledge on Nortel’s Passport ATM switch & the Fore Systems ATM switch. Extensive Frame Relay knowledge on Nortel’s Passport F/R switch & the Alcatel TP4900 F/R
switch. Working knowledge of SDH systems and DWDM systems Installation and configuration of networks using ISDN as the base network and in a backup
configuration with PRI’s and BRI’s. Detailed knowledge on the use of ADSL, SHDSL and BDSL equipment & configuration. Detailed knowledge on the use of Metro Ethernet services equipment & configuration. Detailed knowledge on the use of 3G & 4G services equipment & configuration. Detailed knowledge of Telstra’s carrier services & architectures. Good knowledge of the other carrier’s services & architectures including Optus, Powertel,
Telstra Clear MacTel. Extensive knowledge of Linux, UNIX, Novell (CNE) & Windows NT Administration including
Active Directory, DNS, DHCP support Extensive knowledge of Oracle Database systems including SQL Extensive knowledge on the Microsoft suite of products at both desktop and server
installations. Full understanding of cabling RS232, V35, RJ45,G.703/4 & X21 interfaces. Extensive experience with a variety of protocol analysers used for analysis of network
protocols. Including Ethereal and Wireshark Built & managed LAN servers for Oracle Database & File serving applications Built & managed HP 5900 Comware devices. Built & managed HP 5500 Comware devices. Built & managed HP 1910 Comware devices. Built & managed HP 2920 Procurve devices. Built & managed HP MSM760 Wireless Controllers. Built & managed HP MSM46X Series WAP’s. Installation & configuration on the Riverbed Steelhead 570, 3070 & 5070 appliances.
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Employment History
Feb 2016 – Current Armada Solutions
Responsibilities:
As a senior network specialist for Armada Solutions my responsibilities have been to:
Provide network engineering and security SME for the NAB cheque scanning project
Project support for the Fortinet F/W configuration
Project support for the A10 load balancer (both Global & Local balancing) configuration
Project support for the Dell Force 10 Fibre switches
BAU support for the Fuji Xerox clients (RACQ, DFAT)
Aug 2015 – Dec 2015 RCR Tomlinson
Responsibilities:
As a senior network engineer for RCR my responsibilities have been to:
Team leader to local & remote staff for the network team
Vendor management & liason, contact management.
Day to day operational support for the Cisco infrastructure for the companies DC’s Head offices & remote sites.
Part of the project team which was involved in standardising 5 DC’s into 2 DC’s
Working with the Telecommunications partners to deliver new services into the business
Design of the network for new sites requirements.
Design of the backbone network for the enterprise.
Implement improvements in the network, QoS, standardising configurations.
Feb 2014 – July 2015 Communications, Design, Management (CDM)
Responsibilities:
As a senior network engineer for CDM my responsibilities have been to:
Design/Architect, implemented and was the 3rd level support for the Asian Cup Soccer competition (2015). This includes the provisioning of HP switches, configuration changes. The building of the wireless network component and its support.
The Design/Architect and documentation on the network infrastructure refresh project for the University Western Sydney (UWS). Refresh the Cisco equipment for HP equipment in an 8 campus environment.
Manage and Support the Juniper SRX/EX network for Charter Hall a retail building management company.
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Assist with tender responses as required.
May 2013 – Jan 2014 Commonwealth Bank
May 2013 – Jan 2014 Commonwealth Bank – IT Service Management & OperationsResponsibilities:
Part of the IT Service Management & Operations, the Service Performance Engineering team Perform end-to-end Technical Leadership for Incidents and Problems act as escalation point
or support L2 teams as required. Perform In-depth performance data analysis to rapidly and systematically troubleshoot
issues. Perform in-depth root cause analysis for reactive problems emanating from high profile
incidents or proactive problems emanating from analysis. Perform in-depth Trend Analysis on performance data to identify anomalies that warrant
investigation. Perform correlation on trends to determine relationships between components and service
data points. Define, deliver and maintain an approach for optimal monitoring of all in-scope IT Systems
that includes data and toolset standards. Perform Technical assessment, guidance and sign off of a holistic change profile against
current production performance to determine whether change presents unacceptable risk to production stability.
Perform in-depth technical assessments of projects or changes and drive associated mitigation strategies.
Identify and drive risk mitigation strategies to assure operational excellence, performance or resilience
Identify and drive strategies for the optimisation of operational functions or systems commensurate with operational excellence, performance or resilience
Provide event-driven bulletin updates on System Performance and monthly Service Resilience Plans.
Achievements:
Found a misconfigured F5 LTM pool causing non balanced use of servers at each Data centre
Identified memory leak issues on new ASA equipment and drove the issue for repair.
Identified memory leak issues on existing F5 equipment, organised for the OS to be upgraded for repair.
Found misconfigured QoS configuration on the router I/F’s which was causing hi latency on some financial applications which were affecting the NYK office and the interconnect to “Baxter”.
August 2012 – February 2013 Mobilizer
August 2012 – February 2013 Mobilizer – Operations
Mobilizer is a boutique Telco that specializes in providing voice and data solutions to businesses primarily in the SME market. Mobilizer has developed a hosted VoIP (SIP) based telephony solution that can also be deployed as a CPE based solution. At Mobilizer my role as the Senior Network Engineer includes the responsibilities for:
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Implementation service delivery L3 Engineering support and service delivery
o Team managemento Escalation management. Client and Vendoro Incident and problem review, priority and management
Business process review and improvement Service delivery methodology improvement Configuration of Juniper SRX100 devices
July 2004- June 2012 CITEC
July 2004- June 2012 CITEC – Network Services & Security
Responsibilities:
Team lead the Sydney team to provide 3rd level support for the architecture, design, implementation, support, including problem resolution and network management of Citec’s backbone networks and associated services.
Coach & mentor junior members of the team. Provide Troubleshooting expertise for complex technical issues, research issues &
provide alternatives. Work with Service Providers to integrate Services & Products Provide on-call support for 24X7 after-hours network outages Provide High level of professional technical expertise for Citec’s Network & Security
Services. Including MPLS backbone & Internet connectivity. Architect, design, maintain, configure and monitor network capacity, planning for
future requirements. Liaise with Data centre providers for installations & ongoing site control. Perform incident analyses, problem resolution management and change
management for operational network communications environment. Liaise with product vendors and clients on communication and networking systems to provide problem identification and resolution.
Undertake and complete research projects to assess and determine the applicability of new and emerging technologies.
Ensure Quality management Systems procedures are followed for tasks undertaken. Identify improvements for these procedures.
Establish and maintain awareness of Workplace Health and Safety principles and with the Equal Employment Opportunities.
Achievements:
Completed entire network upgrade for large Sydney Utility (Sydney Water). Part of the architecture/design team & then managed the roll out of that design. The design included the install of the VoIP configuration on top of the already installed data only configuration, the architecture of the move to the BGP routing protocol and the IP readdressing of the N/W.
Completed entire network upgrade for large courier company (Startrack). Including Internet connectivity. This included the architecture of a new routing design for the conversion from one carrier to another carrier with minimal down time whilst both N/W’s connected concurrently.
Completed network upgrade for a regional Bank (Rabobank). I managed the roll out of the new devices, testing & the integration to current network. The ongoing management of the entire N/W.
Successfully migrated the Veolia network onto the Citec MPLS network and ongoing management of the network for Veolia.
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Successful installation of many network devices on a variety of communication links for a range of Citec’s managed clients.
Successful design and implementation of the BGP routing protocol across entire N/W for a client
Successful installation of new security devices in the Mascot Data centre. Configured in-house VoIP Trial N/W. Configured the routers, switches & handsets.
Upgrades of S/W fault finding the integration of SIP handsets onto a wireless N/W into the VoIP trial
Part of the team which delivered eDocs project on Vmware for QANTAS. Worked with Sydney Water IT to ensure PCI compliance for their network. Managed the Network interconnecting the Police Integrity Commision, Ombudsman
& Police department.
Nov 2003-Jun 2004 MCI
Nov 2003-Jun 2004 MCI – Operations (Provisioning)
Position: Senior Provisioning Co-Ordinator
Responsibilities:
Team leader role to manage three staff in the delivery of MCI’s services in Australia & New Zealand.
Design & provisioning services onto MCI’s telecommunication equipment. Telephone switch, ATM/Frame Relay switches, IP routers and customer co-located equipment.
Ordering of third party tails from the various providers in Australia & New Zealand. Updating of MCI’s databases for record keeping.
1981-2003 Jan OTC/Telstra
1999-2003 Sep Telstra – Global Customer Operations
Position: Technical Specialist Grade 9 Shift/Team Leader
Responsibilities:
Investigate complex & difficult technical problems with customer products networks & services
Provide day-to-day fault handling for customers using Telstra Alliance Networks in a telecommunications support centre. Including ATM, F/R, IP, VPN, Dial IP, X.25 & Async Dialup(Infonet, Reach, Equant Telstra Clear)
Interrogate network nodes for fault isolation, including customer and network routers and switches. Checking for line faults, network congestion, incorrect settings for customer links.
Fault find IP routing problems for customer N/W’s, checking of access lists for security & updating IOS into routers when needed.
Assist in the activation of new and the modification of existing services Cabling from MDF to IDF racks Prioritise & delegate work to colleagues including rescheduling of work to meet
agreed levels of service (SLA’s) Liaise with customers and third party vendors for implementation and the assurance
of services.
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Instruct colleagues on new tools & services Maintain fault records for later analysis Provide written reports to management on customer and network faults Design & implement solutions for major global customers
(Adobe, TNT, Nokia, BHP, QANTAS on the road users) Shift rostering on a 24hr basis for a team of 20 staff.
Achievements:
Solved major problem for TNT services around the globe by Identifying mismatch in network settings, which was causing loss of connectivity for customer sites around the world.
Introduced new products for our management using existing tools ie Kentrox equipment for managed carriage services with monitoring on HP Openview
Worked with QANTAS IT group to solve dial-IP problems for there users on the Infonet platform.
Introduced procedure to allow offshore services to be managed by O/S carriers but still be customer managed by my group.
1991 -1998:- Telstra – Information Services Control Centre
Position: Information Technologist Grade 3
Responsibilities:
Provide day-to-day fault handling for customers using Telstra’s Value Added Networks. Directly connected & remote access (Infonet, Global One)
Interrogate network for fault isolation Protocol Analysis various protocols e.g. X.25, X.75, Asynch, SDLC Investigate performance issues and take corrective actions Maintain fault records for later analysis
Prioritise & delegate work to colleagues Liase with customer or Third party vendors Cabling from MDF to IDF racks Installation & testing of third party equipment e.g. Eicon & Digi X.25 cards Installation & maintenance of Windows NT server for DNS operations Maintain VAX system which ran X400 products
Achievements:
Built & maintained X.25 & F/R network across Australia & New Zealand Built & maintained Microsoft’s On Australia Dial-IP network
Built & maintained the office LAN Built & maintained the Oracle database on UNIX platform.
1988 -1990:- OTC – International Data Gateway
Position: Technical Officer Grade 2
Responsibilities:
Provide day to day fault handling for customers using OTC’s Packet switched Network. Including asynchronous dialup & directly connected customers
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Operation & maintenance Packet Switched exchange Provide day-to-day fault handling for customers using OTC’s Message Gateway
Service Operation & maintenance Message Gateway Computer Interrogate network for fault isolation Maintain fault records for later analysis
Liase with customer or Third party vendors Cabling from MDF to IDF racks
Achievements:
Involved in isolating computer hackers using the packet switch network to access computers in Australia
1985 -1988:- OTC – International Switching & Testing Centre
Position: Technical Officer Grade 1
Responsibilities: Provide day-to-day fault handling for customers using OTC’s Telex & Telegraph
Network Operation & maintenance of Ericson’s AXB Telex Exchange Interrogate network for fault isolation Maintain fault records for later analysis
Escalate long-term problems to senior staff Liase with customer or Third party vendors Cabling from MDF to IDF racks
Achievements:
Redesigned the circuit diagrams that showed the interconnection of equipment
1981 -1984:- OTC – Training & Development
Position: Trainee
Achievements:
Completed my training as a Trainee Technical Officer with OTC attaining the Electronics Engineering Certificate.
Motivated Abilities
Maintained Oracle Database running on UNIX platform Installed office LAN on a Novell platform Built a remote access system for on-call personnel First aid officer for 10 years
Referees
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Referees available on request
Interests
Basketball, Soccer & Surfing
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