Network Management Systems Engineer - RHEL with Security Clearance

Core Technical Skills

• Network Engineering: Functional understanding of advanced multivendor routing and switching network environments. (Cisco, Arista, Brocade, Juniper, McAfee and others)
• Network Security: Functional understanding of enterprise firewalls and robust Access Control Lists (ACLs).
• Infrastructure Administration: Comprehensive lifecycle management and administration of diverse network nodes. Automation & DevOps
• Network Scripting: Proficiency in modern scripting languages like Python, PowerShell and YAML for network task automation.
• Infrastructure as Code: Proficiency in Ansible playbook development, testing, and deployment.
• Network Automation: Hands-on experience with network nodes configuration management and automated provisioning.
• Automated Policy Management: Ability to design and deploy automated policy enforcement mechanisms across network infrastructure.

Network Management Systems (NMS) & Operations

• NMS Administration: Expert-level administration, configuration, and end-to-end support of complex Network Management Systems like, Cisco Catalyst Center, OpenText Network Automation (NA), OpenText Network Node Manager (NNMi), and Arista CloudVision.
• Linux & Container Infrastructure: Hands-on RedHat 8 administration, support, and Kubernetes orchestration for modern NMS deployments.
• Performance Optimization: Continuous monitoring and proactive tuning of network nodes for peak performance. Analytical & Leadership Skills
• Advanced Problem Solving: Deep analysis of complex, ambiguous technical situations to drive root-cause resolution.
• Executive Communication: Synthesis of complex technical data into concise, high-level summaries for executive decision-making.

Collaboration & Communication

• Cross-Regional Collaboration: Proven experience working effectively with distributed, cross-functional teams located across the United States.
• Remote Team Synergy: Skill in utilizing modern collaboration tools to bridge geographical gaps and maintain project alignment.
• Workplace Adaptability: Demonstrated reliability and productivity managing a flexible 40-hour workweek schedule. Day to Day Responsibilities: 1. RHEL 8 Back-End Operations & System Administration
• Operating System (OS) Lifecycle Management: Provision, configure, and maintain RHEL 8 servers hosting the core NMS applications across physical, virtual, and air-gapped environments.
• Kernel & Performance Tuning: Optimize Linux kernel parameters, memory allocation, and storage subsystems to handle massive telemetry and configuration data intake (SNMP, NetFlow, Syslog, SSH, SCP) without data loss.
• Patching & Vulnerability Mitigation: Leverage Red Hat Satellite or custom repositories to manage package rollouts, applying routine security errata and OS updates.
• Automation & IaC: Write and maintain Ansible playbooks and other language scripts to automate server provisioning, user management, and repetitive operational tasks related to NMS tool objects.
• Security & Compliance: Enforce security Linux policies, access rules, and STIG compliance to ensure the monitoring platform resists compromise.
• Storage & File System Management: Configure and expand LVM (Logical Volume Manager) structures to manage high-write NMS databases and syslog partition scaling.

2. NMS Application & Tool Support

• Platform Administration: Deploy, upgrade, and troubleshoot enterprise-grade NMS applications (Open Text NNMi, Open Text Network Automation, Cisco Catalyst Center, Arista Cloud Vision, Aruba Airwave and others).
• Data Integration: Architect and maintain integrations between NMS engines, CMDB asset databases, and ITSM platforms like ServiceNow via APIs.
• Polling & Telemetry Management: Configure polling intervals, customize SNMP MIBs and traps, and set up NetFlow collectors to build clear network matrices.
• Fault Isolation & Alerting: Construct alerting logic, thresholds, and notification profiles to minimize alert fatigue while ensuring critical outages surface instantly.

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Core Tool Functionality & Strategic Benefits
The NMS team member must possess expert command of the monitoring ecosystem, leveraging specific tools to deliver core organizational advantages:
Functional Domain Tool Mechanics / Features Business & Operational Benefits
Fault & Performance Monitoring • Continuous SNMP/ICMP polling

• Real-time alerting mechanisms
• Synthetics & packet analysis • Minimizes MTTR: Faster root-cause isolation lowers Mean Time to Resolution.
• Reduces Downtime: High-availability metrics prevent outages before they cascade.

Configuration & Change Control • Automated backups of device configs

• Real-time configuration drift detection
• Mass configuration deployments • Ensures Compliance: Restores safe baseline settings rapidly during bad changes.
• Secures Network: Flashes alerts on unauthorized or rogue configuration alterations.

Traffic Analytics & Planning • NetFlow / sFlow / IPFIX collection

• Historical data trending charts
• Dynamic topology mapping • Cost Optimization: Validates bandwidth usage patterns for smarter capacity planning.
• Uncovers Bottlenecks: pinpoints bandwidth hogs and abnormal traffic spikes.

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Required Qualifications & Technical Competencies -Active secret clearance

• Education: Bachelor’s degree in computer science, IT, Network Engineering, or an equivalent technical field.
• Experience: 3–5+ years of dedicated experience managing enterprise networks and network management platforms.
• OS Specialization: Hands-on experience administering RHEL 8 environments (RHCSA or RHCE certifications preferred).
• Core Linux Skills: Advanced knowledge of systemd, system logging (rsyslog, journald), and native RHEL troubleshooting utilities (top, iotop, netstat, tcpdump).
• Protocols: Deep knowledge of networking protocols including SNMP (v3), Syslog, SSH, ICMP, NetFlow, and TACACS+/RADIUS.
• Automation: Proficiency in Ansible and scripting languages (Python, Bash) to run configuration infrastructure as code.