Senior Cybersecurity Engineer – Network Security, Zero Trust & Automation

Role overview

Design, operate, and modernize enterprise cybersecurity platforms in a large federal environment, with a focus on network security, Zero Trust, and automation. This senior engineering role combines hands-on firewall and secure-access work with platform integration, operational support, and technical leadership on assigned initiatives.

Responsibilities

- Engineer and maintain enterprise firewalls, secure remote access, network segmentation, and related security services; manage policy changes, reviews, and cleanup. - Plan and deliver platform changes, migrations, upgrades, and security fixes, including impact analysis, testing, rollback planning, validation, and documentation. - Troubleshoot complex network and security issues involving routing, NAT, VPN, DNS, authentication, certificates, traffic inspection, performance, and high availability. - Build automation and integrations for security workflows such as alert enrichment, incident triage, containment, remediation, and reporting. - Connect security tools and telemetry across areas such as SIEM/XDR, endpoint, identity, vulnerability management, cloud, and IT service management. - Produce architecture diagrams, implementation and test plans, runbooks, configuration baselines, and audit or authorization evidence; coordinate with security, network, identity, and infrastructure teams.

Requirements

- U.S. citizenship and at least seven years of related experience; the listing also describes a bachelor’s degree in a relevant STEM field and 10 or more years of experience, with possible substitutions under applicable labor-category rules. - Significant practical experience engineering and troubleshooting next-generation firewalls in complex production environments. - Strong knowledge of firewall policy management, network security, infrastructure, and troubleshooting. - Ability to lead technical changes with appropriate testing, change control, validation, and clear documentation. - Experience with security automation and API integrations is relevant to the role; scripting skills such as Python are useful for these workflows.

Benefits and work setup

- Remote work is listed as available from any location. - The listing describes health, dental, vision, retirement, paid leave, holidays, and other insurance benefits for U.S.-based employees; eligibility and terms may vary.