Resident Engineer – SP – freelance – hybrid – Budapest, Hungary

• Provide day‑to‑day post‑sales operational support for production and pre‑production End Client network environments.
  
• Troubleshoot complex hardware, software, and network issues across large‑scale IP/MPLS infrastructures.
  
• Open, manage, and drive Juniper JTAC cases to resolution, including root cause analysis and corrective actions.
  
• Support End Client during critical incidents, outages, and escalation scenarios, communicating clearly with engineering, operations, and leadership teams.
  
• Conduct network information‑gathering workshops to understand End Client current network architecture, operational workflows, and future design requirements.
  
• Become deeply familiar with customer’s organizational structure, engineering standards, and operational procedures.
  
• Provide guidance on network design evolution, capacity growth, and technology adoption aligned with customer’s roadmap.
  
• Assist with major network upgrades, maintenance windows, migrations, and change events.
  
• Produce clear, concise written reports detailing project progress, network health assessments, identified issues, and remediation activities.
  
• Lead technology and operations workshops to review ongoing issues and JTAC case status and explain root causes, mitigations, and long‑term solutions.
  
• Train End Client engineering, implementation, and operations teams on configuration, monitoring and day‑to‑day operation of HPE Juniper Networks platforms.
  
• Assess overall network health and stability across HPE Juniper‑based environments.
  
• Develop and maintain fault isolation and diagnostic procedures.
  
• Create and review customer SOPs and MOPs to identify procedural gaps or anomalies that could result in network or service outages.
  
• Contribute to best‑practice policies and standards for HPE Juniper product usage within End Client.
  
• Peer with other Resident Engineers to share lessons learned and reduce risk during network changes.
  
• Develop secondary expertise across additional HPE Juniper product lines as required.
  
• Perform lab testing, design validation tests (DVT), certification, and integration of new hardware and major software releases prior to production deployment.
  
• Maintain a robust release management DB to enhance the stability and solve security vulnerabilities from 3rd party security release reports.
  
• Develop and maintain automation scripts and use of AI tools to reduce operational toil, improve consistency and accuracy, and accelerate troubleshooting and provisioning.
  
• Write and support Python‑based automation tools for configuration validation, health checks.
  
• Assist End Client engineering and operations teams in adopting network automation tools.
  
• Contribute to documentation and internal tooling repositories supporting ongoing automation initiatives.
  
• Track and triage on PBN (Proactive Bug Notification) and SIRT (Security Incident Response Team) and document security gaps. Identify likelihood of hitting software bugs and security vulnerability. Seek a permanent remediation or a workaround till a final resolution is available.
  
• Held frequent meetings with the customer and SM, to discuss JTAC cases progression and solutions and provide the required actions to articulate customer’s inquiries.
  

Requirements

• 5+ years of hands‑on design, deployment, and operational experience in large‑scale service provide networks.
  
• Experience in supporting major network transformations, upgrades, or expansions.
  
• Strong experience with JUNOS CLI.
  
• Large‑scale hands‑on experience with: MX, QFX, EX, ACX and PTX platforms
  
• Strong understanding of service provider networking technologies, including:
  

• TCP/IP and MPLS fundamentals
  
• Routing protocols: OSPF, IS‑IS, BGP
  
• MPLS‑TE, RSVP, LDP, SR and SRv6.
  
• IPv4 / IPv6
  
• BGP routing policy and peering
  
• VPN technologies: L3VPN, VPLS, MVPN
  
• Ethernet switching, 802.1Q
  
• QoS / Class of Service
  
• EVPN.
  

• Broadband services and BNG.
  
• Hands‑on experience with Scripting – Python and Juniper PyEZ.
  
• Hands-on Traffic steering and Traffic Engineering Software (Paragon/JRD)
  
• Ability to design automation solutions that integrate with existing operational workflows.
  
• Excellent communication skills during high‑pressure outage or escalation scenarios.
  
• Ability to present complex technical topics to engineering, operations, and executive audiences.
  
• Strong customer‑facing skills with a collaborative, consultative approach.
  
• Ability to translate business and technical requirements into practical, scalable network solutions.
  
• Expert-level Technical Certifications: JNCIP, JNCIE, CCNP, and CCIE.
  

Benefits