Hi, I hope you are doing great, DCM InfoTech is a technology company providing IT managed services to clients globally for several decades specially in USA. Our office is located in Fremont CA and to know more details about DCM InfoTech IT services and client. Please visit our website at . Title: Senior Network Software Engineer TCP/IP & z/OS Location: Remote Duration: 12+ Months Basic requirements: Software development experience (minimum 3 years) Understanding of TCP/IP Layer 3 networking protocols including: IPv4, IPv6, ICMP, TLS, IPSec Understanding of Layer 3 and Layer 4 network protocols, preferably focused on bridging legacy infrastructure with modern TCP/IP routing Familiarity with reading and interpreting IETF RFCs and other standards specifications documents Preferred skills: Experience developing TCP/IP networking code, especially at the stack level Experience developing software on z/OS, particularly PL/X Experience managing traditional VTAM major/minor definitions Experience auditing and remediation planning for legacy clock wrap vulnerabilities (e.g. 2042 Rollover)