Network Engineer - Cisco & Zero Trust ArchitectureInformation Management Resources Inc • Ashburn, Virginia, United States
Network Engineer - Cisco & Zero Trust Architecture
Information Management Resources Inc
- Ashburn, Virginia, United States
- Ashburn, Virginia, United States
Über
POSITION OVERVIEW IMRI is seeking a skilled and mission-driven Network Engineer to support a secure, enterprise‑scale Cisco networking environment within a federal setting. This role is responsible for designing, implementing, and maintaining resilient network architectures aligned with Zero Trust principles and federal cybersecurity standards. The ideal candidate brings hands‑on expertise in network engineering, security, and operations, along with a strong understanding of compliance frameworks and secure infrastructure design. This position offers the opportunity to contribute to high‑impact initiatives that enhance security, reliability, and operational excellence for our federal customers.
KEY RESPONSIBILITIES Network Engineering & Operations
Design, implement, and support enterprise network infrastructure across core, distribution, access, and edge layers
Ensure high availability, scalability, and performance of Cisco‑based network environments
Troubleshoot complex issues and conduct root cause analysis for network incidents and outages
Network Security & Compliance
Implement and maintain network security controls aligned with NIST SP 800‑53 and Zero Trust Architecture (NIST SP 800‑207)
Enforce Zero Trust principles, including network segmentation, micro‑segmentation, and continuous verification
Perform system hardening and maintain secure configurations in alignment with Cisco and industry best practices
Support vulnerability management, including patching, firmware updates, and remediation efforts
Infrastructure & Network Services
Configure, manage, and troubleshoot routing, switching, and network services (VLANs, DNS, DHCP, VPNs)
Implement and maintain 802.1X network access control to secure endpoint connectivity
Secure network perimeters through firewall management, ingress/egress filtering, and multi‑factor authentication
Monitoring & Incident Response
Monitor network performance, availability, and security events using enterprise tools
Integrate network components with centralized logging and SIEM platforms
Support incident response efforts, including traffic analysis, containment actions, and forensic data collection
Access Control & Zero Trust Implementation
Design and enforce least‑privilege, identity‑based access controls across all network layers
Develop and maintain segmentation strategies to protect sensitive systems and prevent lateral movement
Change Management & Documentation
Support formal change management processes, including security impact analysis and approvals
Maintain accurate network diagrams, configurations, and asset inventories
Develop and update Standard Operating Procedures (SOPs) to support audit readiness and operational continuity
Collaboration & Support
Serve as a technical escalation point for complex service desk requests
Collaborate with cybersecurity, cloud, and Microsoft engineering teams to deliver integrated solutions
Provide technical guidance to improve network performance and security posture
REQUIRED QUALIFICATIONS
Proven experience with Cisco networking technologies in enterprise environments
Strong expertise in routing, switching, and core networking protocols
Experience implementing Zero Trust architecture and segmentation strategies
Knowledge of NIST SP 800‑53 and NIST SP 800‑207 frameworks
Hands‑on experience with firewalls, VPNs, 802.1X, and network access controls
Experience with network monitoring, logging, and SIEM integration
Demonstrated ability to perform vulnerability remediation and system hardening
Strong troubleshooting and analytical skills, including root cause analysis
Experience working within structured change management and documentation practices
PREFERRED QUALIFICATIONS
Experience supporting federal government or regulated environments
Familiarity with Cisco Secure Configuration Guides and security hardening practices
Experience with NIST Risk Management Framework (RMF) processes
Knowledge of automated patching and firmware lifecycle management
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Sprachkenntnisse
- English
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