We select several profiles for Core CS, Core PS and VAS support Engineers.
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
* Bachelor 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.
Core CS Network (team/platform/services specific knowledge)
Expertise in :
* 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.
Core PS Network (team/platform/services specific knowledge)
Expertise in :
* 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.
VAS (team/platform/services specific knowledge)
Expertise in :
* 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..
PERSONAL SKILLS
* 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)
LOCATION: Madrid (Spain)