In-Demand Senior systems engineer infrastructure security operations Jobs in Parramatta, Nsw

Senior Network Engineer
Ericsson —North Ryde NSW
- Engineering
- Bachelor's degree
5d
Senior Kernel Software Engineer, Fuchsia
Google —Sydney NSW
- Full-time
- Management
- Doctoral degree
- Computer Science
5d
Senior Network Development Engineer, Melbourne based - Relocation support available
Amazon Support Services Pty Ltd —Sydney NSW
- Full-time
- AWS
- Scripting
- Health insurance
- Employee assistance program
7d
Lead IBM Sterling Engineer
Cognizant —Sydney NSW
- Full-time
- Hybrid work
- Management
- SQL
- IT
8d
Mechanical Field Engineer
KBR —Sydney NSW
- Full-time
- Analysis skills
- Bachelor's degree
- Leadership
- Parental leave
13d
Sr. Engineer, DevOps, NG-SIEM (Remote, AUS)
CrowdStrike —Sydney NSW
- Full-time
- Remote
- Management
- Writing skills
- AWS
- Parental leave
Digital Tech Lead
Teachers Health —Sydney NSW
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Systems design
- Health insurance
Senior Software Engineer
Australian Payments Plus —Sydney NSW
- Full-time
- Hybrid work
- Computer Science
- AWS
- Bachelor's degree
Quick Apply
Head of SRE Engineering
Civica —Sydney NSW
- Full-time
- Hybrid work
- Leadership
- Work from home
Quick Apply
Senior Software Engineer
Tyro Payments —Sydney NSW
- Hybrid work
- Azure
- ERP systems
- SQL
Principal Software Engineer, Customer Channels, Data & AI
Commonwealth Bank —Sydney NSW
- Full-time
- CRM software
- AWS
- APIs
Manager, Legal Engineering (Product Specialists)
Harvey —Sydney NSW
- Full-time
- Hybrid work
- Presentation skills
- AI
- Leadership
- Annual leave
- Parental leave
Senior AI Engineers - Contract
Reapit ANZ —Sydney NSW
- Contract
- Remote
- SQL
- AWS
- APIs
Quick Apply
Sr Cyber Defense Analyst
BeyondTrust —Sydney NSW
- On call
- Remote
- Management
- Master's degree
- Scripting
Quick Apply
Senior Software Engineer, Site Reliability
Anduril Industries —Sydney NSW
- Full-time
- Azure
- Computer Science
- Software troubleshooting
Quick Apply
Staff Software Engineer
Anduril Industries —Sydney NSW
- Full-time
- Computer Science
- Software troubleshooting
- Systems design
Quick Apply
Senior Software Engineer
Anduril Industries —Sydney NSW
- Full-time
- Computer Science
- Software troubleshooting
- Systems design
Quick Apply
Senior Cloud Engineer
Link Group —Parramatta NSW
- Hybrid work
- Azure
- Computer Science
- AWS
- Parental leave
- Employee assistance program
13d
Systems Engineer – IT Infrastructure
Allens —Sydney NSW
- Full-time
- Hybrid work
- Azure
- Communication skills
- Health insurance
- On-the-job training
13d
Senior Electrical Engineer
KBR —Sydney NSW
- Full-time
- Bachelor's degree
- Leadership
- Parental leave
13d

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senior systems engineer infrastructure security operations jobs near parramatta, nsw

Senior Network Engineer

Ericsson -
North Ryde NSW

Apply Now

Job Details

5 days ago

Qualifications

Ansible
Engineering
5G
OSPF
Docker
Bachelor's degree
BGP
Security
Solution architecture

Full Job Description

Join our Team

About this role Join our Managed Services team supporting a Tier‑1 fixed wireless operator. As a Senior Network Engineer, you will be the subject matter expert for Cloud Native Core and Element Management Systems, driving integration, stability, and continuous improvement across a large‑scale, multi‑vendor environment. The work spans design, delivery, automation, and operational excellence.

What you will do

Lead as the technical authority for Core and EMS across new projects, from impact assessment and design reviews to acceptance and handover to operations
Create clear work instructions for Ericsson Dual Mode Core, including disaster recovery and orchestration of containerized network functions
Introduce and integrate new core network elements, cloud native capabilities, and lifecycle upgrades in partnership with delivery and project teams
Identify and implement network automation using Python, Shell, and Ansible to remove repetitive tasks and enable autonomous operations
Provide 2nd level escalation support to Core, IP Transport, and OSS operations teams
Oversee security vulnerability management, certificate lifecycle, and monthly technical and installed base audits
Share knowledge and mentor operational teams to uplift capability
Support end‑to‑end presales for Core portfolio offerings with the local Managed Services team
Review and approve Methods of Procedure for test and production environments
Execute network changes, software upgrades, and updates on core network elements when required
Maintain deep knowledge of core network elements, solution architecture, and EMS platforms
Investigate and resolve northbound interface and statistical file integration issues
Maintain a clear view of end‑to‑end topology and interworking across network elements
Facilitate the introduction of new products, software, applications, and services
Run quarterly network‑wide parameter audits to ensure consistency

What you will bring

Bachelor’s degree in Engineering or equivalent technical qualification
10+ years in cellular networks, including at least 3 years in 5G SA or NSA
10+ years across telecom core operations, design, or architecture, ideally in EPC, Cloud Native Core, or IP MPBN environments
Strong hands‑on experience with Ericsson Core Network products and EMS
Proven delivery across managed services, network modernization, integration, or solution architecture programs
Solid experience with Cisco and Juniper IP core infrastructure
Deep knowledge of MPLS, BGP, OSPF, and Segment Routing, including SR‑MPLS or SRv6
Proficiency in Python, Bash or Shell, and Ansible for automation
Experience with cloud‑native core deployments, for example Kubernetes, OpenShift, Helm, Docker
Good knowledge of UNIX and Windows server platforms, preferably at admin level
Strong understanding of IP networking, security, and telecom networks

Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: Australia (AU) || Sydney

Req ID: 788665

Apply Now

Refine Your Search

senior systems engineer infrastructure security operations jobs in parramatta, nsw

Senior Network Engineer

Senior Kernel Software Engineer, Fuchsia

Senior Network Development Engineer, Melbourne based - Relocation support available

Lead IBM Sterling Engineer

Mechanical Field Engineer

Sr. Engineer, DevOps, NG-SIEM (Remote, AUS)

Digital Tech Lead

Senior Software Engineer

Head of SRE Engineering

Senior Software Engineer

Principal Software Engineer, Customer Channels, Data & AI

Manager, Legal Engineering (Product Specialists)

Senior AI Engineers - Contract

Sr Cyber Defense Analyst

Senior Software Engineer, Site Reliability

Staff Software Engineer

Senior Software Engineer

Senior Cloud Engineer

Systems Engineer – IT Infrastructure

Senior Electrical Engineer

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