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Senior Core Network Engineer
OFG, , Spain, EspañaHace 5 días
Descripción del trabajoBachelor or Master degree or equivalent level gained by experience, in Information Technology / Electronics / Telecommunications / Data communications Engineering Experience with ICT operations and maintenance support Fully able to judge on operational acceptance complex new systems / applications At least 3 years of experience in Core Network maintenance and operation. Application protocols Good knowledge of protocols(HTTP(S), SOAP, IPSEC, DNS(SEC), Radius, Diameter, TCP / IP, SCTP, SS7, FTP, SSH, SNMP, iSCSI, WAP, MMS) Database administration skills (Oracle, LDAP, MySQL, Postgresql) In depth knowledge of Unix administration skills of Solaris 8 / 9 / 10, OpenBSD, RedHat Linux, Ubuntu, Debian. Good knowledge of virtualization suites(Solaris Containers, VMWare ESXi) Good knowledge of Core CS network arquitecture and elements / services Experience working with platforms suchs as SDM, IMS, Core CS, Call Server, Softswitch, Interco Experience working with Core CS Network elements (HLR, HSS, Swithces, SLF, S-CSCF, P-CSCF, I-CSCF, AS, OSA; CAMEL, MRF, MGW, MGCF, BGCF, SGW, Softswitch, etc ) from different vendors (Nokia, Italtel, Huawei, etc) Experience with services like Residential Voice, Mobile Voice, VoLTE, VoWIFI, Enterprise Voice. Application protocols Good knowledge of protocols(HTTP(S), SOAP,IPSEC, DNS(SEC), Radius, Diameter, TCP / IP, SCTP, SS7, FTP, SSH, SNMP, iSCSI, WAP, MMS) Database administration skills (Oracle, LDAP, MySQL, Postgresql) In depth knowledge of Unix administration skills of Solaris 8 / 9 / 10, OpenBSD, RedHat Linux, Ubuntu, Debian. Good knowledge of virtualization suites(Solaris Containers, VMWare ESXi) Good knowledge of Core PS network arquitecture and elements / services Experience working with Core PS Network elements (MME, S-GW, HSS, PDN, SEGW, SGSN, DNS, PCRF, GGSN, PGW, WMG, CG-NAT, Firewalls, Proxy, F5) for 2G, 3G, 4G and 5G from different vendors (Ericsson, Juniper, etc) Experience with services like Mobile Internet, Roaming, RanSharing, VoLTE, VoWIFI, DPI, etc. Application protocols Good knowledge of protocols(HTTP(S), SOAP,IPSEC, DNS(SEC), Radius, Diameter, TCP / IP, SCTP, SS7, FTP, SSH, SNMP, iSCSI, WAP, MMS) Database administration skills (Oracle, LDAP, MySQL, Postgresql) In depth knowledge of Unix administration skills of Solaris 8 / 9 / 10, OpenBSD, RedHat Linux, Ubuntu, Debian. Good knowledge of virtualization suites(Solaris Containers, VMWare ESXi) Good knowledge of Core CS network arquitecture and elements / services Experience working with platforms of Intelligent Network and VAS. Experience with services like Advanced Messaging, Intelligent Network Services, Traffic routing, Voicemail, Roaming services, NGIN, SIF, Call Recording, etc.. Team player Analytical and problem / incident resolution skills Operational awareness and ownership Discipline on process adherence, reporting and administration Be able to work under high operational pressure / stress Customer oriented Coaching skills and knowledge transfer Flexible working hours (on call support and night work)
OVERALL PURPOSE OF POSITION
Ensures availability and continuous improvement / quality of services by providing 2nd line operations and maintenance support for the Core CS Network, Core PS Network and Intelligent Network Services.
MAIN TASKS
- Analyze and pro-active seeking for improvements of services, operations results and related KPI’S
- Advices management on improvement proposals
- Advices management on outages and project escalations.
- Actively coach his system engineering team members and share his knowledge in order to grow the team and expertise within the team.
- Leader technical taskforces.
- Act as project manager for “heavy” and complex projects in which multiple departments are involved and strong coordination is required.
- Central point of contact for technical complex matters within and outside his team
- Central point of contact for other departments (like Network Infrastructure, Services & Solutions) for Major / significant changes.
- System expert will be the leading engineer in resolving and driving technical complex issues in which multiple interfaces / platforms / teams are involved (helicopter view)
- Leader for the most complex incidents, changes, problems, configuration and performance issues
- Secures sufficient level of testing in case of multiple platform / team / vendor related service introduction
- Responsible for network / platform performance and related KPI’s
- Providing risk assessments in case of technical complex issues. Providing transparency on risks and potential impact / consequences
- Implement changes by administrate, analyze, plan, check, feedback (propose alternatives), test (rollback checks) and execute changes in line with change management process
- Responsible for team knowledge development
- Responsible for implementing improvement projects
- Supports team manager on organizing and planning team and coordinates on task level
- 7x24 hour 2nd line support through on call
- Reports / presents progress reports on above topics
- Participate together with Incident manager in Emergency calls for issue resolution coordination.
KNOWLEDGE, EXPERIENCE AND TECHNICAL SKILLS
Core CS Network (team / platform / services specific knowledge)
Expertise in :
Core PS Network (team / platform / services specific knowledge)
Expertise in :
VAS (team / platform / services specific knowledge)
Expertise in :
PERSONAL SKILLS
LOCATION : Madrid (Spain)
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