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SiriusXM Holdings · Dublin, Ireland

Network Security Engineer

Dublin, IrelandFull-timeSecurity

Listed on SiriusXM Holdings’s official careers site. Posted June 15, 2026. Check that it is still open and apply there.

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Job description

Network Security Engineer Who We Are

SiriusXM and its brands (Pandora, SiriusXM Media, AdsWizz, Simplecast, and SiriusXM Connect) are leading a new era of audio entertainment and services by delivering the most compelling subscription and ad-supported audio entertainment experience for listeners -- in the car, at home, and anywhere on the go with connected devices. Our vision is to shape the future of audio, where everyone can be effortlessly connected to the voices, stories and music they love wherever they are.

This is the place where a diverse group of emerging talent and legends alike come to share authentic and purposeful songs, stories, sounds and insights through some of the best programming and technology in the world. Our critically-acclaimed, industry-leading audio entertainment encompasses music, sports, comedy, news, talk, live events, and podcasting. No matter their individual role, each of our employees plays a vital part in bringing SiriusXM’s vision to life every day.

SiriusXM SiriusXM is the leading audio entertainment company in North America, and the premier programmer and platform for subscription and digital advertising-supported audio products. SiriusXM’s platforms collectively reach approximately 150 million listeners, the largest digital audio audience across paid and free tiers in North America, and deliver music, sports, talk, news, comedy, entertainment and podcasts. Pandora, a subsidiary of SiriusXM, is the largest ad-supported audio entertainment streaming service in the U.S.

SiriusXM's subsidiaries Simplecast and AdsWizz make it a leader in podcast hosting, production, distribution, analytics and monetization. The Company’s advertising sales organization, which operates as SiriusXM Media, leverages its scale, cross-platform sales organization and ad tech capabilities to deliver results for audio creators and advertisers. SiriusXM, through SiriusXM Canada Holdings, Inc., also offers satellite radio and audio entertainment in Canada.

In addition to its audio entertainment businesses, SiriusXM offers connected vehicle services to automakers. Pandora Pandora, a subsidiary of SiriusXM, is the largest ad-supported audio entertainment streaming service in the U.S. Pandora provides consumers with a uniquely-personalized music and podcast listening experience with its proprietary Music Genome Project® and Podcast Genome Project® technology. Pandora is available through its mobile app, the web, and integrations with more than 2,000 connected products.

SiriusXM Media SiriusXM Media is the gateway for marketers to the largest digital audio advertising ecosystem in North America. As the combined advertising revenue organization of Sirius XM Holdings Inc., SiriusXM Media spans across leading owned and operated audio platforms Pandora and SiriusXM; innovative ad tech solutions powered by AdsWizz; sonic creative consultancy Studio Resonate; and an extended content network featuring exclusive monetization agreements with Audiochuck, NBCUniversal, SoundCloud, and many more.

Reaching more than 150 million listeners each month, SiriusXM Media delivers audiences the tailored brand experiences they crave while putting creators first, making it easy for every marketer to produce, plan, buy and measure across its entire audio universe. AdsWizz AdsWizz, a subsidiary of SiriusXM, is the leading global provider of digital audio and podcast advertising solutions. AdsWizz is the underlying monetization solution for well-known music platforms, podcasts, and broadcasting groups worldwide, giving advertisers of all sizes unprecedented access to premium and niche audio content.

Through dynamic ad insertion, advanced programmatic platforms, and innovative audio formats, AdsWizz efficiently connects buyers and sellers for digital audio and podcast advertising. AdsWizz is a global company with a presence in over 40 countries. Simplecast Simplecast, a subsidiary of SiriusXM, is a leading podcast management and analytics platform, powering podcasts from some of the world’s most well-respected creators and brands, delivering nearly a billion audio requests in 2020.

Featuring both the industry’s preeminent analytics platform and dynamic audio toolset, MAE (Movable Audio Engine), Simplecast has more metrics and more unique insights than any other podcast technology platform. Since 2013, the Simplecast suite of tools has made it effortless for podcasters of all sizes to distribute their podcasts anywhere people listen, and has empowered creators to grow, understand, and better connect with their audiences.

To learn more about Simplecast, visit simplecast.com. SiriusXM Connect SiriusXM Connect (SiriusXM CV) is a leading provider of connected services to vehicle manufacturers, delivering one of the most broadly adopted connected vehicle platforms in North America for the last 25 years. Named the 2020 Company of the Year in the Telematics Industry by Frost & Sullivan, we provide safety, security and convenience services to millions of vehicle owners across major automotive brands.

Our teams are continuously working to develop leading-edge technology that can not only add convenience to the daily lives of so many drivers across the country but our advancements in safety and security could also help save their lives.

How you’ll make an impact

The Enterprise Network & Security team designs, secures, and operates the enterprise-facing infrastructure that provides critical interconnectivity for employees and partners. We are seeking a Network Security Engineer to strengthen our global security posture by focusing on improving the design, implementation, and management of load balancers, 24 next-generation firewall pairs, and other network security platforms. The successful candidate will serve as the primary engineer for assigned platforms related to the enforcement of security policies, improving resiliency, and ensuring global compliance across broadcast, data center, and enterprise network environments.

The successful candidate will also mentor peers by providing technical guidance and sharing their knowledge to drive innovation in security best practices.

What you’ll do

Independently manage and improve the design and implementation of established enterprise architectures, firewalls, load balancers, and related network security policies and platforms. Deploy, monitor, and optimize network security controls across enterprise, broadcast, and data center networks, supporting globally distributed employees and consultants. Use independent judgement to triage, diagnose, and resolve firewall, load balancing, VPN-related incidents (traffic-flow, capacity constraints, recurring incident patterns) via vendor support tickets and in collaboration with Sales Engineering teams Use independent judgement to drive team automation efforts to standardize firewall and security policy management (“security as code”), using approved company AI tools (e.g.

Claude Code) and/or by building from scratch. Keep up to date with industry best practices and frameworks to collaborate with InfoSec, Broadcast Engineering, and Enterprise Infrastructure teams to enforce security policy compliance and respond to new requirements. Create and maintain documentation for security standards, policies, and operational procedures. Ensure response times and resolution rates for incidents are within defined service level agreements, reducing number and length of disruptions that impact Product Services Operations and Broadcast Programming engineering efforts Provide subject matter expertise on network security to cross-functional engineering teams.

Participate in on-call rotation for operational network and security support.

What you’ll need

Bachelor’s Degree in Computer Science, Computer Engineering, or related field. 3+ years of experience working in enterprise network security environments. Well versed experience with Palo Alto firewalls, VPN technologies (GlobalProtect, IPsec), and security policy enforcement. Design & implementation for firewall deployments is a plus. Excellent interpersonal, communication, and presentation skills. Ability to work independently and collaboratively in high-pressure environments.

Strong organizational skills with the ability to handle multiple priorities. Commitment to delivering high-quality internal customer service. Proficiency with documentation and productivity tools such as Google Workspace, LucidChart/Visio, and MS Office. Demonstrated experience with zero-trust network access control solutions (ClearPass and/or Cisco ISE). Demonstrated experience with network protocols (TCP/UDP, IPv4/IPv6, BGP, OSPF, VXLAN, EVPN, IP Multicast).

Demonstrated experience in network monitoring and troubleshooting tools (Wireshark, NetFlow, Syslog; OpenNMS, SolarWinds, or Datadog a plus). Ability to take ownership of critical issues through resolution and support on-call rotations.

Preferred Qualifications

Demonstrated experience with automation frameworks (Python, Ansible, Terraform, Go) for network security operations. Demonstrated experience with F5 load balancers (LTM/GTM/ASM/AFM) and traffic management policies. Knowledge of Cisco ASA firewalls and other major vendor platforms (Juniper, Arista, etc.). Knowledge of network core functions, such as routing, switching, wireless. Must have legal right to work in Ireland. At SiriusXM, we carefully consider a wide range of factors when determining compensation, including your background and experience.

We encourage all interested candidates to apply. Our goal at SiriusXM is to provide and maintain a work environment that fosters mutual respect, professionalism and cooperation. SiriusXM is an equal opportunity employer that does not discriminate on the basis of actual or perceived race, creed, color, religion, national origin, ancestry, alienage or citizenship status, age, disability or handicap, sex, gender identity, marital status, familial status, veteran status, sexual orientation or any other characteristic protected by applicable federal, state or local laws.

The requirements and duties described above may be modified or waived by the Company in its sole discretion without notice. #LI-XXX R-2025-11-14

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