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Dijital Team

Security Engineer, Level 3

Dijital Team

. Act as a senior technical authority for security across multiple customer environments .

Posted 10/14/2026full-timeRemote • Sri LankaMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in security architecture design, vulnerability management, and incident response across diverse environments, with a strong focus on Microsoft Defender and Sophos technologies. Capable of translating complex security requirements into actionable strategies while leading technical teams and mentoring junior engineers.

Highest-signal resume keywords
Microsoft Defender ExpertiseSophos Firewall ManagementVulnerability Management ProgramsSecurity Architecture AssessmentPowerShell Scripting

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Security Architecture DesignVulnerability ManagementIncident ResponseMicrosoft 365 Security ControlsZero Trust Security PrinciplesTCP/IP NetworkingWindows Server TroubleshootingFirewall ConfigurationEndpoint Security HardeningTechnical Escalation Management
Soft Skills
Strong Problem-Solving SkillsEffective CommunicationTechnical DocumentationMentoring and LeadershipCalm Under Pressure
Tools & Technologies
Microsoft Defender XDRSophos ZTNAMicrosoft IntuneConnectSecureHuntressHaloPSAConnectWiseAutotask
Certifications & Qualifications
Microsoft CertificationsSophos CertificationsCybersecurity Certifications
Industry Keywords
Essential EightCIS ControlsNIST Cybersecurity FrameworkISO 27001Cyber Insurance Requirements

Tech Stack

Tools & technologies
CloudCyber SecurityDNSFirewallsTCP/IP

About the role

Key responsibilities & impact
  • Act as a senior technical authority for security across multiple customer environments
  • Design, review, and improve customer security architectures
  • Establish security standards, recommended configurations, and repeatable best practices
  • Identify architectural weaknesses and develop remediation roadmaps
  • Review security solution designs and support onboarding, migrations, and major infrastructure changes
  • Mentor L1 and L2 engineers
  • Lead complex security escalations and configuration investigations
  • Administer, configure, and optimise Microsoft Defender solutions
  • Design and implement Defender policies and standard configurations
  • Investigate complex security incidents involving endpoints, identities, email, and cloud environments
  • Use Microsoft Defender XDR for advanced threat analysis
  • Provide senior technical support and architecture guidance for Sophos environments
  • Design and review firewall deployments and configuration baselines
  • Configure and optimise firewall rules, segmentation, NAT, intrusion prevention, VPNs, SD-WAN, high availability, logging, and monitoring
  • Design, implement, and maintain ZTNA solutions
  • Own and improve vulnerability management across customer environments
  • Prioritise and lead remediation of critical vulnerabilities
  • Develop vulnerability dashboards, reporting, remediation standards, and security roadmaps
  • Provide senior-level support for Huntress deployments and investigate advanced detections
  • Oversee operating system and application patch management
  • Define patching standards and ensure critical patches meet service-level agreements
  • Lead customer security compliance initiatives and remediation
  • Assess environments against Essential Eight, CIS Controls, NIST Cybersecurity Framework, ISO 27001, and cyber insurance requirements
  • Design and improve identity security controls, including Conditional Access, MFA, PIM, and least-privilege access
  • Maintain endpoint security configurations and hardening baselines
  • Lead technical investigations into complex security incidents
  • Coordinate containment, remediation, endpoint isolation, and account protection
  • Automate recurring security activities using PowerShell, APIs, and other technologies
  • Develop reusable deployment processes, tools, scripts, and templates
  • Support customer environments as a senior escalation resource
  • Manage incidents and projects through the PSA platform
  • Maintain technical documentation and participate in solution design and reviews
  • Support customer onboarding, security assessments, and pre-sales activities
  • Develop customer security roadmaps with Account Managers and vCIOs
  • Explain security risks and recommendations in clear business language

Requirements

What you’ll need
  • Significant experience within an MSP, MSSP, or IT Service Provider environment
  • Strong hands-on experience with Microsoft Defender and its security ecosystem
  • Advanced experience with Sophos Firewall and endpoint security technologies
  • Proven experience managing vulnerability and patch management programs
  • Experience implementing security controls across Microsoft 365 environments
  • Strong knowledge of Microsoft Entra ID and Zero Trust security principles
  • Solid understanding of TCP/IP, DNS, DHCP, VLANs, routing, firewalls, VPNs, and network segmentation
  • Strong Windows Server and endpoint troubleshooting capabilities
  • Experience handling complex technical escalations and leading remediation activities
  • Ability to design and implement practical security improvements
  • Hands-on experience with ConnectSecure and Huntress is highly desirable
  • Experience with Sophos ZTNA, Microsoft Intune, Microsoft Defender XDR, and Conditional Access is advantageous
  • Familiarity with Microsoft Defender for Endpoint, Office 365, Identity, and Vulnerability Management
  • Knowledge of Essential Eight, CIS Controls, NIST Cybersecurity Framework, and ISO 27001
  • PowerShell scripting and API-based automation experience is beneficial
  • Familiarity with HaloPSA, ConnectWise, or Autotask
  • Relevant Microsoft, Sophos, or cybersecurity certifications are advantageous
  • Experience assessing security architectures and identifying technical weaknesses
  • Ability to translate compliance requirements into practical security controls
  • Strong understanding of cybersecurity threats, attack techniques, and defensive measures
  • Experience developing remediation strategies, security baselines, and technical standards
  • Ability to prioritise vulnerabilities based on exploitability, exposure, asset criticality, and business impact
  • Strong written and verbal English communication skills
  • Excellent technical documentation and reporting capabilities
  • Ability to lead complex remediation activities and provide technical direction
  • Strong problem-solving skills and a methodical approach to incident investigation
  • Ability to remain calm during critical incidents while considering customer priorities and operational impact
  • Proactive mindset focused on root causes, automation, standardisation, and preventing recurring issues

Benefits

Comp & perks
  • Get paid in Australian Dollars
  • Medical insurance from day one for you + spouse (or parents if unmarried)
  • Generous OPD coverage from doctor visits to all your medical needs
  • Home office setup allowance
  • Internet allowance
  • Gym & wellness allowance
  • Regular team events & engagement activities
  • Mental health & counseling support
  • Reimbursement for industry certifications
  • Open-door culture
  • Flexible work – home or office, wherever you do your best work
  • Rewards & recognition
  • Christmas and financial year-end parties