Fajar Cahyadi Email & Phone Number

Alpharetta, GA, US

- conduct network planning, operation, and optimization for telecom core networks- monitor network traffic, troubleshoot, and solve telecom core network issues

prototyping, testing, and deploying 5g private networks.

- Worked remotely, full time with 40 hours per week, from Johns Creek/Alpharetta, GA.- Analyzed diverse information systems requirements to develop detailed functional requirements and contract specifications for systems which solve complex or unusual problems.- Product management: coordinate across stakeholders and use agile to align cross-functional.

Marlborough, Massachusetts, US

• Worked remotely, full time with 40 hours per week, from Tampa, FL, and Johns Creek/Alpharetta, GA.
• Configured Amazon Web Services (AWS) for the following: Muti Factor Authentication, billing alert, Windows and Linux EC2, IAM, S3, hosted website server.
• Simplified network routing by designing centralized routing engine for multi-protocol number portability (e.g., for NANP) such as DNS/ENUM, SIP, SS7 ITU & ANSI (AIN, PCS, IS41, CNAM, MAP)
• Created bespoke solution for Universal Call Blocking based on AIN protocol
• Designed customer solutions for STP, Diameter Routing Agent, and SS7 Signaling Firewall
• Designed protocol conversion between Radius, Diameter, and N40lite

Lexington, MA, US

• Slashed vendor’s professional service cost 50% by negotiating cost, fee, and scope of work, while still delivering good quality result for implementation of Oracle DSR/DRA
• Cut vendor cost to zero by developing technical expertise in-house for Oracle DSR/DRA migration and PIC audit
• Ensured customer networks are secured from unwanted traffic by tightening security of SS7 and Diameter networks
• Enabled iBasis an entry into data breakout gateway market by successfully leading packet data gateway implementation project
• Enhanced customer visibility by designing customized CDR and reports on SS7 and Diameter traffic
• Ensured seamless and painless customer migration for voice traffic by designing migration strategy without a need of changing customer configuration

Lexington, MA, US

• Decreased vendor cost 70% by redesigning the architectural network of Oracle DSR/DRA in iBasis and changing commercial licensing model
• Reduced risk of overcapacity and enhanced productivity by providing clear design recommendations of SS7, Sigtran, STP, SMS Hubbing, SMS Firewall, and Diameter Routing Agent

Lexington, MA, US

• Generated new revenue stream for the company by innovating Signaling Intelligence Reports for SS7 traffic
• Strengthened company’s business by leading the implementation of Openmind’s SMS Hub (with SS7 & SMPP connections and both P2P and A2P traffic) and SMS Firewall with complex routing, address translation, and blocking.
• Generated additional revenue for the company from SMS traffic by designing SMS MNP dip solution
• Awarded “iBasis Exceptional Achievement Award” in 2013
• Enhanced team collaboration and better visibility on SS7 configuration and monitoring by designing sets of recommendation of operation, maintenance, and monitoring of Tekelec Eagle STP

Nairobi, KE

• Awarded one of best performers in Seven Seas Technologies in 2010
• Enabled number 1 leading mobile operator in Kenya to better control its SS7 and SMS traffic by designing and implementing Cisco STP and SMS Firewall solutions

San Jose, CA, US

• Recognized for technical contributions through significant financial deals in Cisco
• Became the first Cisco engineer worldwide who successfully sold Probeless Monitoring Packet (PMP) feature in Cisco ITP
• Became the first Cisco engineer in APAC region who successfully ran Cisco GSM Radio Access Network Optimization (RAN-O) trial and sold it to customer in APAC
• Awarded “The Best Service Provider Team Award” in Cisco APAC for outstanding contribution in 2007.
• Awarded incentive rewards from Cisco for excellent contribution in providing support to Indosat on its Sigtran network

Jakarta Pusat, DKI Jakarta, ID

• Instructor/trainer for “Introduction for Signaling SS7” and “Introduction for GSM” courses
• Improved customer experience by merging two GSM networks (Satelindo and Indosat) into 1 network
• Saved company’s CAPEX by redesigning the MSC function into tandem switch function and migrating all its BSC connections (BSC re-homing) to another MSC
• Designed and implemented core SS7 network by using signaling transfer point (STP) solution from Cisco ITP
• Designed SS7 Sigtran network to replace legacy SS7 TDM network
• Improved customer experience by designing and implementing Roamware’s Single IMSI Multiple MSISDN solution

Jakarta Pusat, DKI Jakarta, ID

• Career highlights:
• Implemented screening on SS7 routing database to secure signaling network of SatelindoMy areas of responsibilities are:1. Voice routing administration2. SS7 routing administration3. Troubleshooting voice and SS7.

Created signaling SS7 and voice trunk group connections inside own core GSM Satelindo network and to all other operators as well (national and international)Created and implemented numbering MSISDN E.164, IMSI E.212, and Mobile GT E.214 in core GSM Satelindo network for own Satelindo numbering and its roaming partners and other operators which has.

Monitoring status of core GSM network and making sure the network availability and reliability meet defined expectation.