Network Engineer
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Job Summary
- Enterprise Network Operations: Support the implementation operation and optimization of the Congressional Budget Offices Cisco-based network infrastructure including core distribution access and edge environments ensuring reliability performance and availability in support of mission requirements.
- Network Security & Compliance Support: Assist in implementing and maintaining network security controls aligned with NIST SP 800-53 NIST SP 800-207 (Zero Trust Architecture) and Cisco security best practices including participation in monitoring risk mitigation and maintaining network security posture.
- Routing Switching & Infrastructure Services: Configure manage and troubleshoot routing switching and network services (e.g. VLANs DNS DHCP VPNs) ensuring secure configurations and alignment with organizational standards.
- Network Monitoring & Operations Support: Assist in monitoring network performance and availability responding to alerts and supporting integration with enterprise monitoring logging and security tools to enhance visibility and incident response.
- Vulnerability Management & Device Maintenance: Support network device patching firmware updates and vulnerability remediation activities ensuring infrastructure components remain secure compliant and up to date.
- Change Management & Documentation: Participate in changing management processes maintain accurate network diagrams and configuration documentation and support the development and upkeep of standard operating procedures to ensure operational continuity and audit readiness.
- Customer Service & Team Collaboration: Serve as the technical adviser for complicated service desk tickets and modifications to support network operations better while collaborating with cloud Microsoft engineering and cybersecurity teams.
- Implement and maintain network security controls aligned with NIST SP 800-53 including access control (AC) configuration management (CM) system and communications protection (SC) and audit and accountability (AU) control families.
- Enforce Zero Trust network architecture principles in accordance with NIST SP 800-207 including network segmentation micro-segmentation and continuous verification of users and devices.
- Design and implement least-privilege network access controls ensuring role-based and identity-aware access across all network layers.
- Manage 802.1X port-based network access control to prevent unauthorized device connectivity and enforce authentication at the network edge.
- Configure and maintain centralised logging and audit capabilities for all network devices ensuring logs are forwarded to enterprise SIEM platforms and retained in accordance with compliance requirements.
- Conduct continuous monitoring and vulnerability assessments of network infrastructure identifying risks and coordinating remediation in alignment with NIST Risk Management Framework (RMF) practices.
- Harden all network devices using secure configuration baselines (e.g. Cisco Secure Configuration Guides) including disabling unnecessary services enforcing strong encryption protocols and securing management interfaces.
- Secure public-facing and perimeter network assets by implementing strict ingress/egress filtering firewall rule optimization and multi-factor authentication for administrative
- access.
- Support incident response activities by providing network-level analysis containment actions (e.g. segmentation blocking malicious traffic) and forensic data collection.
- Establish and maintain secure network segmentation strategies to limit lateral movement and protect high-value assets and sensitive environments.
- Ensure all network changes follow formal change control processes with security impact analysis supporting compliance with NIST configuration management requirements.
- Develop implement and maintain Network Standard Operating Procedures (SOPs);review and update all SOPs on at least an annual basis or as required to reflect changes in technology policy or security requirements.
- Document and maintain detailed hardware and configuration baselines for all network devices including Cisco switches routers firewalls and related infrastructure; conduct annual reviews and updates.
- Perform root cause analysis (RCA) for network incidents including performance degradation outages and security events; document findings and implement corrective and preventive actions.
- Maintain automated network patch management and firmware update procedures in accordance with Cisco best practices and organizational security policies.
- Develop maintain and update comprehensive network diagrams that accurately reflect the CBO enterprise network architecture including cloud production and secure environments; review and update diagrams annually or as changes occur.
- Troubleshoot and maintaining DNS services including configuration changes issue resolution and performance optimization.
- Support continuous real-time monitoring of network infrastructure (24/7 operations) including integration with network management and security monitoring tools.
- Maintain accurate and up-to-date documentation of network configurations assets and operational procedures to support audit readiness and operational continuity.
Required Skills:
Implement and maintain network security controls aligned with NIST SP 800-53 including access control (AC) configuration management (CM) system and communications protection (SC) and audit and accountability (AU) control families. Enforce Zero Trust network architecture principles in accordance with NIST SP 800-207 including network segmentation micro-segmentation and continuous verification of users and devices. Design and implement least-privilege network access controls ensuring role-based and identity-aware access across all network layers. Manage 802.1X port-based network access control to prevent unauthorized device connectivity and enforce authentication at the network edge. Configure and maintain centralized logging and audit capabilities for all network devices ensuring logs are forwarded to enterprise SIEM platforms and retained in accordance with compliance requirements. Conduct continuous monitoring and vulnerability assessments of network infrastructure identifying risks and coordinating remediation in alignment with NIST Risk Management Framework (RMF) practices. Harden all network devices using secure configuration baselines (e.g. Cisco Secure Configuration Guides) including disabling unnecessary services enforcing strong encryption protocols and securing management interfaces. Secure public-facing and perimeter network assets by implementing strict ingress/egress filtering firewall rule optimization and multi-factor authentication for administrative access. Support incident response activities by providing network-level analysis containment actions (e.g. segmentation blocking malicious traffic) and forensic data collection. Establish and maintain secure network segmentation strategies to limit lateral movement and protect high-value assets and sensitive environments. Ensure all network changes follow formal change control processes with security impact analysis supporting compliance with NIST configuration management requirements. Develop implement and maintain Network Standard Operating Procedures (SOPs);review and update all SOPs on at least an annual basis or as required to reflect changes in technology policy or security requirements. Document and maintain detailed hardware and configuration baselines for all network devices including Cisco switches routers firewalls and related infrastructure; conduct annual reviews and updates. Perform root cause analysis (RCA) for network incidents including performance degradation outages and security events; document findings and implement corrective and preventive actions. Maintain automated network patch management and firmware update procedures in accordance with Cisco best practices and organizational security policies. Develop maintain and update comprehensive network diagrams that accurately reflect the CBO enterprise network architecture including cloud production and secure environments; review and update diagrams annually or as changes occur. Troubleshoot and maintain DNS services including configuration changes issue resolution and performance optimization. Support continuous real-time monitoring of network infrastructure (24/7 operations) including integration with network management and security monitoring tools. Maintain accurate and up-to-date documentation of network configurations assets and operational procedures to support audit readiness and operational continuity.
Required Education:
Bachlor in computer science or any other related field.
