V

Varian

Tech-enabled radiation oncology hardware and software

Network Engineer - Cloud Operations

Full-Time
No salary listed
Senior
Bachelor's
İstanbul, Türkiye+3 moreMore locations: Madrid, Spain | Milan, Metropolitan City of Milan, Italy | Dublin, Ireland
RemoteRemote role aligned to EMEA business hours.
IT OperationsNetwork Engineering & Administration

About the job

Requirements
  • A degree in computer science or another engineering or technical discipline is preferred, or equivalent experience, with 5–7 years of additional specific relevant experience substitutable for education.
  • Experience supporting and managing networks in an enterprise cloud computing environment.
  • Deep understanding of network protocols including TCP/IP, UDP, ICMP, ARP, addressing, NAT, subnetting, and CIDR.
  • Expertise in routing and switching with dynamic routing protocols such as OSPF, EIGRP, BGP, and MPLS, plus VLANs, STP, and Layer 2/3 concepts.
  • Ability to perform network performance analysis and interpret packet captures using tools such as Wireshark, tcpdump, iperf, or SolarWinds.
  • Knowledge of WAN and VPN technologies including MPLS, SD-WAN, IPsec, and SSL VPNs; Microsoft ExpressRoute experience is preferred.
  • Skills in hybrid networking setups and cloud-based solutions, including Azure Virtual Network.
  • Hands-on experience with Palo Alto Networks firewalls, routers, switches, load balancers, and firewalls from vendors such as Cisco, Juniper, Fortinet, Palo Alto, and Citrix NetScaler.
  • Expertise in network security concepts including firewalls, IDS/IPS systems, access control lists, and DDoS mitigation.
  • Knowledge of authentication and encryption technologies including RADIUS, TACACS+, PKI, and SSL/TLS.
  • Hands-on experience troubleshooting telecom, peering partner, and peering provider networks.
  • Understanding of vendor and telecommunications, exchange, and service-provider support escalation paths.
  • Experience working with business-critical, highly available, and scalable infrastructure and applications.
  • Experience with ticket handling and processing.
  • Hands-on experience with Microsoft Azure Networking services and features.
  • Hands-on experience with Palo Alto Networks, Cisco, and Juniper devices and features.
  • Knowledge and experience with ITIL Incident, Problem, Change, and other process disciplines.
  • Experience creating diagram documentation using Visio or Lucidchart.
  • Experience writing technical documentation, especially for cloud architecture, including as-built documentation, operating procedures, instructions, and templates.
  • Hands-on experience with firewalls, managed switches, and router configurations.
  • Palo Alto certification is mandatory.
  • Azure Networking, Azure ExpressRoute, and Citrix NetScaler experience are mandatory.
  • Clear communication of technical terms to business and customer stakeholders is required.
Responsibilities
  • Provide network operations and support for private, public, and hybrid cloud solutions, including network and security infrastructure.
  • Assist with upgrading, installing, and configuring cloud solutions, monitoring, application access, security, Palo Alto Networks, Citrix NetScaler, and Citrix ADC.
  • Report on current infrastructure status and plan for future usage.
  • Configure and support backbone connections over Azure ExpressRoute, direct connections, and VPN architecture.
  • Maintain IP CIDR block allocation and modify networks, subnets, VLANs, and routes.
  • Verify and act on events aggregated from network monitoring tools and web application firewalls using approved tools.
  • Troubleshoot issues and determine root causes.
  • Collaborate to resolve network outages and customer-impacting issues quickly.
  • Contribute to successful project execution.
  • Create, update, and complete documentation.
  • Investigate the root causes of incidents and produce follow-up reports and final content.
  • Collaborate with network engineers on procedures, techniques, tips, and knowledge to improve operations, security, and work performed.
  • Provide customer service and support.
  • Escalate support requests to vendors and telecommunications, exchange, and service providers when necessary.
  • Apply network system updates, patches, and configuration changes.
  • Plan network layouts and configure systems for user environments.
  • Serve as a technical mentor to colleagues as necessary.
  • Maintain knowledge of the company's application suite.
  • Provide on-call support as required.
  • Work EMEA business hours.
Desired Qualifications
  • Microsoft ExpressRoute experience is preferred.
  • Telco or carrier networking experience is a strong plus.

About the company

Varian, part of Siemens Healthineers, focuses on oncology by providing integrated radiation oncology solutions that combine software, hardware, patient data, and care teams. Its offerings include treatment-planning software, radiation therapy machines, and data-management systems that work together to enable precise cancer treatments. The company differentiates itself through an integrated platform approach and services like Oncology-as-a-Service (OaaS), which lets healthcare providers adopt advanced radiation oncology with ongoing service support rather than large upfront investments. Varian serves healthcare providers such as hospitals and cancer centers, helping them deliver coordinated care and improve patient outcomes. Its goal is to reduce the fear of cancer by using data and technology to support clinicians in delivering effective treatments.

Company Size

5,001-10,000

Company Stage

IPO

Headquarters

Palo Alto, California

Founded

1948

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Simplify's Take

What believers are saying

  • ARPA-H awarded Varian up to $60 million in April 2026 for FLASH-RT.
  • FDA cleared TrueBeam for osteoarthritis in March 2026, opening a non-cancer market.
  • Telix collaboration and 2026 AI approvals expand Varian's clinical and software pipeline.

What critics are saying

  • RaySearch enabled online adaptive TrueBeam workflows in Belgium in May 2026, eroding software differentiation.
  • Elekta still attacks Varian's lead in adaptive radiotherapy and premium MR-guided care.
  • If FLASH and non-oncology bets fail by 2028, Varian becomes a commoditized linear-accelerator vendor.

What makes Varian unique

  • Siemens Healthineers gives Varian imaging, radiotherapy, and capital-sales integration globally.
  • Varian's 2026 CE-marked Eclipse AI contouring deepens workflow lock-in across planning.
  • TrueBeam, Halcyon, and Ethos create an installed-base moat hospitals rarely replace.

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Benefits

  • Flexible Work Hours
  • Remote Work Options
  • Paid Vacation
  • Paid Holidays
  • Health Insurance
  • Dental Insurance
  • Vision Insurance
  • Wellness Program
  • 401(k) Retirement Plan

Growth & Insights and Company News

Headcount

6 month growth

3%

1 year growth

3%

2 year growth

3%
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Sep 14th, 2026
About Us | Varex Imaging Corporation

We strive to help customers become world-class system suppliers by strengthening their competitiveness and enabling them to bring products to market faster

MEDQOR
Apr 30th, 2026
Siemens Healthineers secures $83M to develop photon Flash radiotherapy for cancer treatment

Siemens Healthineers has received up to $60 million from the US Advanced Research Projects Agency for Health to develop photon Flash radiotherapy, with the company contributing an additional $23 million, totalling $83 million over five years. Flash photon therapy delivers radiotherapy more than 100 times faster than current technologies, aiming to reduce side effects and improve healthy tissue sparing. Unlike proton and electron beam platforms, which face scalability challenges, photon beams are the standard of care for over 50% of cancer patients. The project will build on existing C-arm linear accelerators to enable broader clinical access. Siemens Healthineers aims to transition ultra-high dose rate radiotherapy from experimental treatment into global standard of care within the five-year timeframe.

Business Wire
Mar 19th, 2026
Varian TrueBeam gets FDA clearance for low-dose radiotherapy to treat osteoarthritis

Siemens Healthineers has received FDA 510(k) clearance for its Varian TrueBeam radiotherapy systems to treat medically refractory osteoarthritis in adults using low-dose radiation therapy. This marks the first expansion of Varian's radiotherapy platform beyond cancer care into chronic musculoskeletal conditions. Osteoarthritis affects over 33 million adults in the US and approximately 600 million globally. The clearance covers TrueBeam, TrueBeam STx, VitalBeam and Edge systems, offering patients with persistent pain a non-invasive outpatient treatment option that targets inflammation, reduces pain and improves joint function. The approval builds on Varian's previous regulatory clearances for non-oncological indications, including radiosurgery treatment for medically refractory essential tremor. The TrueBeam platform combines high-resolution imaging with precise dose control whilst maintaining streamlined clinical workflows.

AuntMinnieEurope.com
Dec 10th, 2025
Telix and Varian enter research collaboration

Telix and Varian enter research collaboration. Telix Pharmaceuticals and Siemens Healthineers' company Varian have agreed to develop novel clinical applications that combine Telix's theranostics products and Varian's external beam radiation therapy (EBRT) technology. The first area of focus will be in identifying opportunities to use Telix's prostate cancer PET imaging agents in selecting patients for EBRT, developing personalized treatment plans (particularly in the context of Varian's Ethos adaptive radiotherapy system), and monitoring responses to treatment, Telix said. The agreement supports both company-sponsored and investigator-led clinical studies. Varian is a key player in EBRT and working with the company will allow Telix to explore how theranostics can be used more effectively by radiation oncologists to enhance patient selection and deliver targeted treatment, Telix noted. I agree to receive marketing related digital communications about products, services, events and offers that may be relevant to my given user preferences and behavior. I agree to share my information with the sponsor. I have read and agree to the privacy policy & terms of service and wish to opt-in.

AuntMinnie.com
Mar 28th, 2025
Varian, Embolx sign image-guided microcatheter agreement

Siemens Healthineers company Varian has entered into a sales and marketing agreement with Embolx for its Sniper Balloon Occlusion Microcatheter.