Job Description

We are currently looking for Back Office CS Engineer



Being part of the BO team for Core CS team to ensure availability and continuous improvement/quality of services by providing 2nd line operations and maintenance support for the Core CS Network.

~ Advices management on outages and project escalations.

~ 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 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.

~ Implement changes by administrate, analyze, plan, check, feedback (propose alternatives), test (rollback checks) and execute changes in line with change management process.

~ 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.

~ Participate together with Incident manager in Emergency calls for issue resolution coordination.





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

At least 3 years of experience in Core Network maintenance and operation within the NOC of MM/OSP.



Good knowledge of protocols ( 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 such 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).

Spanish, English



LCC, part of TechMahindra, has more than 1500 employees in the EMEA region and is an independent service provider to the telecommunications industry. LCC specializes in planning, design, engineering, installation, optimization and maintenance of wireless and wired systems.

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