Provision of ICT solutions for rural clients including 4G enhancements, expansion of WAN/LAN. Provision of monitoring solutions for multilayer switches (RUCUS), DWDM, GPON/ONT (Calix, Huawei HG8245) end point verification. Utilisation of OTDR for fibre and and Agilent spectrum analyser for DVB-T broadcast fault analysis.

Chief Information Systems officer maintaining ICT operations at UNMISS, overseeing a team of 200 international and national staff. Supervised all ICT project implementation based on PRINCE and operational service provision based on ITIL and provided ICT administrative support to management, including mission service desk. Supervised HQ WAN and remote data centres, VMWare (ESXi) virtual server farms (DL380 gen9), Windows domain infrastructures, WAN and LAN (Cisco mesh, Pix, ASA 55xx, Tacacs, Cat65xx,38xx,29xx) including fibre, wireless and copper infrastructures, providing real-time performance statistics for upper management using Bash, Python, asynchronous Node.js scripting, NBAR, CBQoS, Netflow, IPSLA, Syslog, ELK, PowerBI. Polling thousands of devices at high rates. Supported 5000 Microsoft AD client accounts, management of centralised hub applications for the mission, began migration to Azure cloud services including single sign on. Optimised collaboration between staff and maintained training regime.Redesigned satellite infrastructure (O3B/Intelsat) providing an intelligent, redundant and higher capacity backbone for the HQ, alongside the implementation of SDWAN latency sensitive technologies to create a dynamic fault-tolerant backbone allowing greater flexibility and performance. Managed DMR (Aviat Eclipse, CTR, Provision/Motorola DR3000, TRBOnet/Cambium PMP450, PTP650) and fibre (Cisco) network designs and expansion projects. Built custom linux based NMS based on SNMP providing accurate, real-time statistics and network analysis.Managed mission video conferencing utilising Polycom, Cisco, Tandberg (H.264) equipment, maintained, monitored video/audio QOS and global connectivity. Conduct regular weekly video conferencing with the field offices.

Design and implement Field Information Management software system (FIMS) for data collection and analysis of scientific data such as seismic, GPR, radio nuclide collections (based on Node.js, PostGIS), cloud based (AWS) for mobiles/tablets, providing scientists with centralised analytical database tools, including the design and maintain communications infrastructure for on site inspection (OSI) functionality. Designed rapid deployable mobile 4G/LTE trailer solution (Ericsson RBS6202, Motorola MTR2000, Cambium PTP) providing high capacity remote real time data transfer to optimise remote real time scientific data collection. Regularily trained specialist scientific teams on communication and GIS technologies giving them state of the art knowledge. Upgraded rapid deployable Microsoft and Linux based (CentOS, Redhat) transportable HPC datacenter, which helped scientist collect and centralise data for correlation.

Managed communications infrastructure projects within the United Nations buffer zone and protected areas. Upgrade of UHF Microwave (Aviat eclipse) network to Gigabit Ethernet capacity, rearrange IP network to layer 2 design. Upgrade Mototrbo repeaters to SLR5000, implement real-time radio user tacking (vehicle and handheld). Designed linux web-based inventory management suite to track hardware and users allocations. Upgrade of linux based NMS to monitor all ICT equipment across the island (over 1000 devices) from power sourcing equipment to per-application bandwidth utilisation using Bash, Python, asynchronous Node.js scripting, NBAR, CBQoS, Netflow, Syslog, providing correlation of relevant events on a geographic representation. Rearrangement of network WAN topology to ring based utilising EPL lines via middle eastern segments. Decommissioning of Satellite earth stations to NY and UNLB, replacement with private line MPLS and Carrier Ethernet based technologies. Upgrade of PABX to Aastra IP telephony (Suse based), Implementation of Cisco Call manager (Redhat) including provision of custom UN billing mechanism centralising billing data in UNLB. Conversion of conventional client telephony to IP/video based.

Training and provision of Project management standardisation project using the PRINCE methodology. Work on global procurement standardisation projects including Cisco WAN, Ericsson PABX.

Management of communications infrastructure mission wide. Implementation and management of UN frequency spectrum usage within the mission. Coordination of North/South technical committees for the elimination of interference and migration to digital terrestrial broadcasting. Maintenance of C-Band Intelsat 7.3m Andrew satellite link to New York and 3.7Ku band link to UNLB, including maintenance of voice and data circuits. Utilisation of Agilent spectrum analysers. Provisioned Aviat eclipse microwave, UHF Motorola (MTR3000 repeater, DM36/4601 desk units) repeaters network, VHF two way radio, HF (Codan), Ericsson MD110 PABX and Cisco networks at 32 remote locations with the UN buffer zone. Provision of Ringmaster telephone billing services for the mission. Installation of mission wide NMS/monitoring network for communications networks utilising Perl, MySQL, Redhat Linux, GIS real-time based. Provision of Rohn guyed and self standing lattice towers. Provision of solar and wind technology renewable energy power systems to multiple operational locations.

Installation and commissioning of seven 3.7m Andrew Satellite earth stations with Intelsat, Comtech SDM300 modem, PCSI multiplexers for voice and data transmission. Installation of antenna, horn feed assembly, waveguide, Block Up Converters (BUC), Solid State Power Amplifier (SSPA), IF cabling. Use of Agilent C-Band and Ku-Band spectrum analysers. Provisioned HF and VHF services (two way radio, vehicle/mobile to base station units) at UN troop locations. Provision of earth station network mission wide. Maintenance of hub station at mission headquarters. Provision of network monitoring of satellite network equipment and Cisco (voice and data) backbone at various UN camp locations.

Expansion of Ericsson PABX, UHF and VHF services to UN troop locations. Provision of Rohn 25 and 45 lattice and self standing towers, replacement of aged Codan with Allgon TDM based microwave and Cisco network mission wide. Maintenance of hub station at mission headquarters. Monitoring and maintanence of 12 remote equipment centres utilizing RedHat Linux.

Deployment and maintenance of point to point, dedicated data and PDH based, field mission connectivity with respect to the centralised hub at UNLB. UNLB was uniquely positioned to enable global satellite connectivity as well as a suitable entity for terrestrial connectivity. Provision of multiplexed voice (E1, T1, fragmented circuit switched PDH, voice over frame relay and RS422, RS485, frame relay data services including provisioning of Satellite connectivity utilising Intelsat 7.3m Andrew antennas, verify spectrum C/Ku-band consumption and stability with HP4404B,HP8563E provide attenuation/amplification when necessary. Install and maintain PABX services two wire, four wire E&M trunks (utilising portable Fluke oscilloscope), E1 services to the Public network, Provision of Cisco IP connectivity including Cisco IGX ATM, 3800 series routers and switches, Monitor WAN connectivity and facilities including telephone billing services. Provision of rapid deployable tactical telecommunications trailers and mobile units including 3.7m foldable satellite antenna, Ericsson Mini-link microwave, Cisco routers and switches, Ericsson MD110 PABX and DECT solutions. Provision of MRTG Redhat based Linux intermission traffic monitoring stations.

Provision of telecommunication services to UN civilian and military locations within the Former Yugoslavia republics. Collaborated with NATO (security clearance gained) tactical networks. Provision of 2.4m satellite antennas (Andrew, Prodelin), PCSI voice and data multiplexors, Ericsson MD110 PABX and Ericsson Mini-link microwave infrastructures.

Installation of structured cable infrastructures within banking and dealer exchanges, including splicing/connecting and laying of fibre, coax, category 5 data and category 3 voice. Trained on multimode and single mode fibre splicing and deployment techniques.

Trade certificate in Telecommunications. Trained on and maintained electromagnetic (Strowger, Crossbar) and digital (NEAX) public SPC switching systems, served in central north island (CNI) monitoring and callout facilities utilising VAX.Trained on and maintained national transmission networks FDM (Fujitsu, Marconi), WDM, FOTS (fibre optic) across the Central North Island regional network cluster. Contributed in 24Hr NOC (network monitoring and callout). Trained on transmission measurement equipment from Anritsu, Marconi, transmission impairment test sets such as the TIMS (Keysight 4935). Utilised sweep tracing, PAD attenuation and spectrum management of private point to point data circuits for banks, electronic funds transfer based entities. Maintained trans-multiplex PCM/FDM primary and super group and bearer media. Maintenance of packet switch datacenter utilising technologies including X.25, and V series protocols on private data connections.