Verizon · 14 hours ago
Network Security Principal Engineer
Ashburn, VA
Full-time
Hybrid
Senior Level, Lead/Staff
$120K/yr - $231K/yr
6+ years expVerizon is a leading telecommunications company seeking a highly motivated Network Security Principal Engineer to secure and harden their Telemetry networks. The role involves leading the design and implementation of network security solutions, ensuring compliance with security standards, and driving continuous improvement in network visibility and incident response.
Communications InfrastructureInternetInternet of ThingsMobileTelecommunications
Responsibilities
Lead the design, architecture, and implementation of cutting-edge network security solutions to address technology gaps
Act as the security subject matter expert in network design reviews, ensuring that all network assets meet stringent carrier-grade security standards and embed secure design patterns
Drive continuous improvement of network visibility and telemetry collection, conduct proactive threat hunting, and serve as escalation support for network security incidents
Execute root cause analysis for incidents, perform regular security control assessments, and lead strategic security solution implementation in a highly scalable environment. Design, develop, and refine high-fidelity detection logic to identify adversarial behavior across the network
Develop essential technical documentation, including Playbooks, Confluence pages, Network diagrams, and Method of Procedures (MOPs)
Drive security architecture, lead policy implementation, manage incident response, and integrate security principles early into the development lifecycle
Leverage tools or custom automation, eg, Python, Ansible playbooks to run automated audits against security benchmarks, ensuring zero configuration drift
Proactively search for signs of lateral movement, exfiltration, and persistence within the environment using the MITRE ATT&CK framework as a guide
Analyze network logs and configurations to identify vulnerabilities, recommend & build proactive mitigations
Develop comprehensive assessment reports and provide prioritized recommendations for remediations
Identifying opportunities to mentor, guide, and delegate technical documentation/tasks to support the team and broader organization
Qualification
Required
Requires a Bachelor's degree in Computer Science, Cybersecurity, or a related field, or 6 -10+ years of equivalent relevant work or military experience
Expert-level experience in securing/hardening management and Out-Of-Band (OOB) networks that support telemetry services for multi-vendor environments (Cisco IOS-XR/XE, Palo Alto, F5, Arista). Proven ability to leverage TCP/IP internals, DNS security, and flow-based analysis (NetFlow/IPFIX) to baseline network behavior and intercept sophisticated lateral movement
Strong practical experience with Splunk/SIEM tools is necessary for data analysis, dashboard creation, alerting, automation, risk-based alerting, managing notable events, and defining/tuning correlation searches. Familiarity with Identity and Access Management (IAM) solutions is also beneficial
Demonstrated leadership skills are required, along with the ability to lead and manage cross-functional projects, build consensus, resolve conflict, negotiate, and possess strong analytical, communication, and programming skills
Preferred
Possession of a CCIE (Service Provider or Security) or Nokia NRS II/SRA is required
Additional certifications such as CISSP, CompTIA Security+, OSCP, CCNP, CCIE, or CCNA are beneficial
Expertise in using Python, Ansible, or Terraform to automate network device configurations and operations
Competence in using Splunk or Elasticsearch for network data analysis, creating dashboards, setting up alerts, and handling large-scale internet data sources (Netflow, BGP, DNS, IDS logs)
Knowledge of Firewalls, VPNs, IDS/IPS, DDoS mitigation, encryption technologies (IPsec, TLS), identifying vulnerabilities in RAN, and Security Information and Event Management (SIEM) tools like Splunk
Familiarity with Network Function Virtualization (NFV), Identity and Access Management (IAM) solutions, the system development lifecycle, mitigating network/system/application layer attacks, and working with SQL/NoSQL databases and UNIX/Linux operating systems
Strong organizational, project management, and written/verbal communication abilities, with the capacity to collaborate with various stakeholders and demonstrate leadership and mentoring skills
Fluency in security frameworks, particularly the application of CIS Benchmarks (Level 1 & 2 hardening) and mitigating MITRE ATT&CK Tactics, Techniques, and Procedures (TTPs) on network devices, along with a solid understanding of network security fundamentals
Benefits
Medical
Dental
Vision
Short and long term disability
Basic life insurance
Supplemental life insurance
AD&D insurance
Identity theft protection
Pet insurance
Group home & auto insurance
Matched 401(k) savings plan
Up to 8 company paid holidays per year
Up to 6 personal days per year
Paid parental leave
Adoption assistance
Tuition assistance
Company
Verizon
Verizon is a broadband and telecommunications company that provides information and entertainment services.
10001+ employees
H1B Sponsorship
Verizon has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (7)
2024 (3)
2023 (2)
2022 (6)
2021 (6)
2020 (8)
Funding
Current Stage
Public CompanyTotal Funding
$34.39BKey Investors
Maryland Department of Housing and Community DevelopmentU.S. Department of DefenseConnect Maryland
2025-07-30Post Ipo Debt· $2.29B
2024-06-20Grant· $2M
2024-02-26Post Ipo Debt· $1B
Leadership Team
Daniel Schulman
Chief Executive Officer
Santiago Tenorio
SVP & CTO
Recent News
2026-01-24
2026-01-24
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