368,634open jobs
9,437companies
50,578added this week
Browse all
Location
In office (Thailand)
Seniority
Junior · 1+ year exp
Employment
Full-Time
Overview
Company
Impact
Profile match
Lumentum is a technology company headquartered in San Jose, California, and was established as an independent entity in 2015 following a spin-off from JDS Uniphase. The company designs and manufactures optical and photonic products, including lasers for industrial manufacturing, optical transceivers for data centers, and 3D sensing components for consumer electronics. It operates a global network of manufacturing and research facilities, serving customers in the telecommunications, cloud networking, and industrial markets worldwide.

It's fun to work in a company where people truly BELIEVE in what they're doing!

We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

1. Security monitoring and alert triage

  • Monitor Security Information and Event Management (SIEM), Endpoint Detection and Response (EDR), anti-malware, email security, web security and cloud security alerts.
  • Validate, triage and prioritise security events using agreed playbooks, business impact and risk context.
  • Create accurate incident records, preserve relevant evidence and escalate incidents through the agreed incident management process.
  • Support containment, eradication and recovery activities under the direction of the incident owner.

2. Incident response and operational support

  • Follow documented incident response procedures for malware, phishing, account compromise, data exposure, suspicious network activity and lost or stolen devices.
  • Assist with post-incident actions, including evidence capture, timeline building, lessons learned and remediation tracking.
  • Maintain security operations knowledge base articles and playbooks for repeatable response tasks.

3. Vulnerability and configuration management

  • Run or support scheduled vulnerability scanning across servers, endpoints, network devices, applications and cloud services.
  • Validate scan findings, remove false positives where evidence supports this, assign remediation tickets and monitor progress against agreed service levels.
  • Support secure configuration checks against approved baselines, including endpoint hardening, logging configuration and privileged account controls.
  • Provide clear remediation guidance to infrastructure, application and service teams.

4. Identity, access, Data Loss Prevention and Multi-Factor Authentication

  • Support identity and access management processes, including joiners, movers, leavers, privileged access reviews and evidence collection for access recertification.
  • Monitor and investigate Data Loss Prevention (DLP) alerts, applying agreed classification, privacy and escalation rules.
  • Support Multi-Factor Authentication (MFA) administration, user enrolment, exception handling, break-glass access checks and failed authentication investigations.
  • Assist with user access investigations where suspected compromise, misuse or policy breach is identified.

5. Security controls and tooling

  • Operate security tools in line with documented procedures and change controls.
  • Support maintenance of alert rules, watchlists, endpoint policies, email filtering rules and data protection controls under approved guidance.
  • Record control issues, service defects and improvement opportunities.
  • Carry out routine security checks for backup alerts, logging gaps, certificate expiry, secure configuration and monitoring coverage.

6. Policy, compliance and assurance support

  • Gather evidence for audits, risk assessments, supplier checks and compliance reviews.
  • Apply relevant internal policies, standards and data handling requirements.
  • Support regular checks against security standards, control requirements and business processes.
  • Identify policy exceptions or control gaps and raise them through the agreed risk management process.

7. Awareness and stakeholder support

  • Provide practical security advice to users and technical teams.
  • Support phishing exercises, security awareness activities and targeted communications.
  • Explain security requirements in a clear, proportionate and helpful way.
  • Promote secure behaviours, including reporting suspicious activity, protecting credentials and handling sensitive data correctly.

8. Reporting and documentation

  • Maintain accurate incident, alert, remediation and evidence records.
  • Prepare routine operational reports on alerts, incidents, vulnerabilities, Data Loss Prevention (DLP), Multi-Factor Authentication (MFA), control exceptions and remediation progress.
  • Contribute to dashboards and management information using agreed metrics.
  • Keep procedures, playbooks and technical notes up to date.

Qualifications

  • Bachelor Degree in Computer Science, Information Technology, Cybersecurity, or related fields.
  • At least 1-2 years of experience in IT governance, IT audit, risk, or compliance
  • Experience in cybersecurity risk assessment, threat modeling, control testing, or security governance.
  • Good command of spoken and written in English.
  • Strong analytical and problem-solving skills
  • Good documentation and report-writing abilities
  • Attention to detail and organizational skills

We are an equal opportunity employer and value diversity at our company.

We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Please contact us to request accommodation.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
368,634 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Similar stack
Same company
Thailand
$122k – $270k per year (Estimated) • Remote • Full-Time • 8+ years exp • Bachelor's Degree • Toronto
AI/ML
Anomaly Detection
DevOps
AIOps
Dynatrace
Incident Management
OpenTelemetry
Platform Engineering
Management
ServiceNow
Apply
$54k – $159k per year (Estimated) • In office • Full-Time • 4+ years exp • Bachelor's Degree • Singapore
Bash
PowerShell
Python
DevOps
Ansible
AWS
Azure
Chef
Docker
Hyper-V
Incident Management
Kubernetes
Puppet
Red Hat
Terraform
VMWare
Windows Server
Apply
In office • Full-Time • Bachelor's Degree • Bengaluru
DevOps
Incident Management
Apply
In office • Full-Time • Bachelor's Degree • Bengaluru
DevOps
Incident Management
Apply
$14k – $36k per year (Estimated) • In office • Full-Time • 2+ years exp • Bachelor's Degree • Bengaluru
DevOps
Incident Management
Apply
Test Engineer 4 days ago
In office • Full-Time • 2+ years exp • Bachelor's Degree • Thailand
Apply
$48k – $70k per year • In office • Internship • Bachelor's Degree • Ottawa
C#
Python
Apply
$90k – $166k per year • In office • Full-Time • 3+ years exp • Bachelor's Degree • Greensboro
Python
Design
AutoCAD
SolidWorks
Apply
$90k – $166k per year • In office • 10+ years exp • PhD • Greensboro
Python
SQL
Cybersecurity
CAPA
Apply
Quality Engineer 4 days ago
$71k – $130k per year • In office • Full-Time • Bachelor's Degree • Greensboro
Python
Cybersecurity
CAPA
Analytics
Tableau
Apply
Test Engineer 4 days ago
In office • Full-Time • 2+ years exp • Bachelor's Degree • Thailand
Apply
In office • Full-Time • 10+ years exp • Bachelor's Degree • Thailand
Apply
In office • Full-Time • 2+ years exp • Bachelor's Degree • Thailand
C++
Go
JavaScript
Python
Analytics
ETL/ELT
Apply
In office • Full-Time • 6+ years exp • Bachelor's Degree • Thailand
Apply
In office • Full-Time • 3+ years exp • Bachelor's Degree • Thailand
PowerShell
Python
SQL
Databases
MySQL
Oracle
PostgreSQL
DevOps
Grafana
Prometheus
Apply
See all jobs
This is one of many
368,634 more open roles from verified company boards, updated every day.