Leidos · 1 month ago
Assessor Engineer Communications and Networking Protocols Specialist
San Antonio, TX
Full-time
Onsite
Mid, Senior Level
$72K/yr - $130K/yr
4+ years expLeidos is a company that provides direct support for the Air Force's cyberspace and information warfare capabilities. The Assessor Engineer Communications and Networking Protocols Specialist role involves providing advanced technical expertise in communications protocols and cybersecurity defense, advising teams on vulnerabilities and countermeasures, and supporting cybersecurity assessments and network security engineering.
ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Review incoming technical requirements and provide expert analysis on communications and networking protocols, including:
Protocol behavior and vulnerabilities
Emerging protocol advancements
Secure applications and defensive measures
Conduct in-depth research into networking technologies to enhance cybersecurity and communications capabilities
Advise Cybersecurity and IA teams on protocol-level weaknesses, exploitation methods, and mitigation strategies
Perform vulnerability analysis and recommend countermeasures for protocol- and network-based cyber threats
Conduct technical assessments to validate secure configurations of routers, switches, firewalls, and transport systems
Evaluate cyber incidents related to protocol misuse, anomalous traffic, or intrusions, and support remediation efforts
Develop technical recommendations to enhance network security posture and reduce mission risk
Support integration of cybersecurity requirements into network and system engineering solutions
Maintain technical documentation for configurations, changes, test results, and protocol-based risk assessments
Qualification
Required
Bachelor's degree in Cybersecurity, Computer Science, Information Systems, or related discipline with 4-12+ years of experience
(Experience may substitute for education depending on contract requirements.)
Requires an Active Top Secret/SCI security clearance
3–5+ years of hands-on experience in network engineering, cybersecurity analysis, or protocol-level research
Strong understanding of communications and networking protocols (TCP/IP, UDP, DNS, DHCP, TLS/SSL, BGP, OSPF, SNMP, VoIP, etc.)
Experience supporting network defense and cybersecurity operations
Proficiency with network security tools (e.g., Wireshark, tcpdump, Nmap, ACAS, Nessus)
Working knowledge of routing, switching, firewalls, and intrusion detection/prevention systems
Ability to analyze protocol vulnerabilities and recommend countermeasures
Strong documentation and analytical skills with the ability to interpret technical data and cyber threat intelligence
DoD 8570/8140 Baseline Certification: IAT-II (e.g., Security+, CCNA Security, GICSP, CySA+) or equivalent
Preferred
Experience in DoD/Air Force cybersecurity environments
Knowledge of RMF security controls related to networking and boundary defense
Hands-on experience with classified networks (SIPR, JWICS, or IL5/IL6 environments)
Familiarity with Zero Trust architecture and DoD cybersecurity modernization efforts
Advanced certifications such as: CCNP/CCNP Security; CISSP; CEH; GSEC, GCIA, GNFA, GREM, or similar GIAC certifications
Understanding of modern network technologies (SDN, VXLAN, cloud networking, automation frameworks)
Company
Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
unknown2025-02-20Post Ipo Debt
2013-09-17IPO
Leadership Team
James Carlini
Chief Technology Officer
Theodore Tanner
Chief Technology Officer
Recent News
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2025-12-16
2025-12-16
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