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Senior Telecom Software Engineer with Security Clearance
System One Holdings, LLCHerndon, VA🇺🇸United StatesPosted 13 Jul 2026
Quick Overview
Work Type
Hybrid
Level
Mid Senior
Job Description
Senior Telecom Software Engineer
TS/SCI clearance
Herndon, VA Responsibilities:
• Conduct telecommunications network analysis, diagnostics, and performance remediation with expertise in protocols such as SS7, SIP, VoIP, TCP/IP, and Diameter across 2G, 3G, 4G VoLTE, and 5G networks.
• Monitor and analyze telecommunications systems, interpret inbound data streams, and utilize packet capture tools like Wireshark and tcpdump to troubleshoot core network issues.
• Provide technical support to the CONUS-based engineering team supporting OCONUS deployments, including analysis, findings, and remediation guidance.
• Support Linux-based systems supporting telecommunications infrastructure by ensuring high availability, performance, and reliability, supporting environments on CentOS 7 transitioning to Rocky Linux.
• Configure and manage system monitoring tools such as Nagios, Zabbix, or Grafana and automate system tasks using Ansible or Puppet.
• Design, support, and troubleshoot software and software lifecycle issues, collaborating with development teams and supporting CI/CD pipelines using Jenkins, Jira, and Confluence.
• Create installation guides and as-built documentation, and support Linux firewall and VPN configurations. Requirements:
• BA, BS degree or equivalent experience in Computer Science, Telecommunications, or a related field.
• 5+ years of experience in telecommunications network analysis, systems engineering, or related disciplines with senior-level expertise in telecom protocols and network operations.
• Advanced proficiency with RHEL / Rocky Linux / CentOS 7 and experience supporting both environments through transition phases.
• Strong understanding of mobile telecom network architectures, protocols (SS7, SIP, VoIP, TCP/IP, Diameter), and core network operations.
• Experience using tools like Jenkins, Jira, Confluence, and Ansible for supporting software and hardware troubleshooting.
• Proven ability to diagnose root causes of network and system performance issues and implement effective solutions.
• Excellent communication skills for technical presentations and collaborations with distributed teams.
TS/SCI clearance
Herndon, VA Responsibilities:
• Conduct telecommunications network analysis, diagnostics, and performance remediation with expertise in protocols such as SS7, SIP, VoIP, TCP/IP, and Diameter across 2G, 3G, 4G VoLTE, and 5G networks.
• Monitor and analyze telecommunications systems, interpret inbound data streams, and utilize packet capture tools like Wireshark and tcpdump to troubleshoot core network issues.
• Provide technical support to the CONUS-based engineering team supporting OCONUS deployments, including analysis, findings, and remediation guidance.
• Support Linux-based systems supporting telecommunications infrastructure by ensuring high availability, performance, and reliability, supporting environments on CentOS 7 transitioning to Rocky Linux.
• Configure and manage system monitoring tools such as Nagios, Zabbix, or Grafana and automate system tasks using Ansible or Puppet.
• Design, support, and troubleshoot software and software lifecycle issues, collaborating with development teams and supporting CI/CD pipelines using Jenkins, Jira, and Confluence.
• Create installation guides and as-built documentation, and support Linux firewall and VPN configurations. Requirements:
• BA, BS degree or equivalent experience in Computer Science, Telecommunications, or a related field.
• 5+ years of experience in telecommunications network analysis, systems engineering, or related disciplines with senior-level expertise in telecom protocols and network operations.
• Advanced proficiency with RHEL / Rocky Linux / CentOS 7 and experience supporting both environments through transition phases.
• Strong understanding of mobile telecom network architectures, protocols (SS7, SIP, VoIP, TCP/IP, Diameter), and core network operations.
• Experience using tools like Jenkins, Jira, Confluence, and Ansible for supporting software and hardware troubleshooting.
• Proven ability to diagnose root causes of network and system performance issues and implement effective solutions.
• Excellent communication skills for technical presentations and collaborations with distributed teams.
Skills
5G
Nagios
TCP/IP
Ansible
Confluence
Grafana
Jenkins
Jira
Puppet
Zabbix
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