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Roles and responsibilities - Conduct offensive security assessments across 2G, 3G, 4G/LTE and 5G networks. - Perform penetration testing across RAN, Core, IMS, OSS/BSS and network-management environments. - Assess telecom protocols including SS7, Diameter, GTP and SIP. - Test BTS/eNodeB/gNodeB, HLR/HSS/MME, EPC and 5G Core components. - Evaluate VoLTE, VoWiFi, voicemail, IVR, SMS and related telecom services. - Test CPE, smartphones, SIM/eSIM, routers and IoT devices. - Identify and demonstrate vulnerabilities through controlled exploitation. - Perform network reconnaissance, packet analysis, protocol testing and security-control validation. - Develop scripts and proof-of-concept exploits using Python, Bash or similar technologies. - Document findings, attack scenarios, business impact and remediation recommendations. - Present results to clients, engineering teams and security stakeholders. - Retest vulnerabilities after remediation and verify closure. - Track emerging telecom threats, vulnerabilities and offensive techniques. Required skills - Strong hands-on penetration-testing or red-team experience. - Practical exposure to telecom operator, OEM or telecom consulting environments. - Strong knowledge of telecom architecture across RAN, Core, IMS and signaling. - Experience testing SS7, Diameter, GTP and SIP. - Familiarity with Wireshark, Burp Suite, Nmap, Metasploit, Kali Linux and similar tools. - Experience with Python or other security-automation scripting. - Strong reporting, client communication and stakeholder-management skills. Significant requirement Candidates with only network operations, firewall administration, SOC, SIEM or vulnerability-scanning experience will not be considered. The position requires direct, hands-on offensive security testing within telecom environments. .
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.