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3rd line security analyst

Newport (Newport)
Operations Resources Limited
Security analyst
Posted: 8h ago
Offer description

JobTitleLevel3SecurityAnalystIncidentResponse&VulnerabilityManagement


Before applying for this role, please read the following information about this opportunity found below.

DepartmentServiceDelivery/Security

ReportingToSecurityLead/ServiceDeliveryManager

OperatesunderthedirectionoftheIncidentManagerduringsecurityincidents

LocationUK(Hybrid)OfficeinCardiff1-2daysperweek,regularclientsitetravel.

WorkingPatternMondaytoFridaywithparticipationintheon-callSecurityandMajorIncidentrotaasrequired

RolePurpose

TheLevel3SecurityAnalystisresponsibleforthetechnicalinvestigation,containment,remediation,andresolutionofITsecurityincidentsandvulnerabilitiesacrossacomplex,multi-sitecustomerestatesupportedbytheMSP.

Theroleactsasaseniortechnicalauthorityforsecurityincidents,workingalongsideIncidentManagement,Infrastructure,Network,andApplicationteamstoensuresecurityissuesareresolvedend-to-end,correctlydocumented,anddonotreoccur.

KeyAccountabilitiesSecurityIncidentInvestigation&Response

Actasthetechnicalleadfortheinvestigationofsecurityincidentsacrosssupportedplatforms.

Investigatemalware,ransomware,accountcompromise,unauthorisedaccess,suspiciousactivity,andsecuritymisconfiguration.

Performdetailedrootcauseanalysisacrossendpoint,identity,network,andapplicationlayers.

AdvisetheIncidentManageronincidentscope,impact,containment,eradicationstrategy,andrecoveryvalidation.

Driveincidentsthroughtofulltechnicalresolution,nottemporarymitigation.

KeyAccountabilitiesVulnerabilityManagement

Investigatevulnerabilitiesidentifiedviascanningplatforms,endpointandcloudtooling,supplierdisclosures,andauditactivity.

Assessriskbasedonexploitability,exposure,andoperationalimpact.

Ownremediationactionsend-to-end,coordinatingwithInfrastructure,Network,andthird-partysuppliers.

Validateremediationandensureappropriateevidenceiscapturedforassuranceandaudit.

Platforms&TechnologyScope

End-userdevicesincludingWindows,macOS,tablets,andperipherals.

Microsoft365includingEntraID,Exchange,SharePoint,Defender,andendpointprotection.

IdentityandAccessManagementincludingprivilegedandserviceaccounts.

On-premisesandcloud-hostedservers.

Networkinfrastructureincludingfirewalls,switches,wireless,andWANconnectivity.

Cloud-hostedandsupplier-managedapplications.

Documentation,Audit&ContinuousImprovement

Produceclear,technicallyaccuratedocumentationcoveringincidents,rootcauseanalysis,andcorrectiveactions.

Supportgovernance,customerassurance,andauditrequirements.

Contributetopost-incidentreviewsandlessonslearned.

Identifyrecurringissuesandrecommendlong-termimprovements.

EnsureincidentsandvulnerabilitiesarecorrectlyloggedandtrackedwithinITSMsystems.

Collaboration&Escalation

WorkcloselywithIncidentManagers,Securityspecialists,andLevel3InfrastructureandNetworkteams.

ActasaseniorescalationpointforLevel1andLevel2teams.

Engagethird-partysupplierstoprogressinvestigationandremediation.

Participateinout-of-hoursresponseasrequired.

Knowledge,Skills&ExperienceEssential

ProvenexperienceinaLevel3orSeniorSecurityAnalystorIncidentResponserole.

Hands-onexperienceinvestigatingandresolvingincidentsacrossendpoints,identityplatforms,networks,andcloudservices.

Strongunderstandingofmalwareandransomwareresponse,identitycompromise,andvulnerabilityremediation.

ExperienceworkingwithinformalSecurityIncidentandMajorIncidentprocesses.

Strongwrittendocumentationandstakeholdercommunicationskills.

Knowledge,Skills&ExperienceDesirable

Experiencesupportingmulti-siteoroperationallysensitiveenvironments.

FamiliaritywithDefender,SIEM,EDR,andvulnerabilitymanagementtools.

UnderstandingofregulatedorPCI-adjacentenvironments.

Relevantsecuritycertificationsorequivalentexperience.

BehaviouralCompetencies

Takesownershipfromdetectionthroughtoresolution.

Investigatesthoroughlyandchallengesincompletefixes.

Calm,methodical,anddecisiveduringliveincidents.

Understandsoperationalandbusinessimpact.

Professionalandconfidentwhenengagingcustomersandsuppliers.

DecisionMaking&Authority

Makestechnicaldecisionsrelatingtoinvestigation,containment,andremediationofsecurityincidents. xsngvjr

EscalatesriskanddecisionpointsappropriatelytoIncidentManagementandServiceDeliveryleadership.

KeyInterfaces

IncidentManagement

SecurityOperations

InfrastructureandNetworkServices

Third-partysuppliers

Customerstakeholdersviastructuredincidentcommunications

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