Senior Cybersecurity Engineer with Security Clearance

Overview Senior Cybersecurity EngineerLocation: Washington, DCSalary Range $137,000 to $142,000 per year Kiakahi LLC is looking for an experienced Senior Cybersecurity Engineer to join its team. Security Operations & Continuous MonitoringExecute security operations through centralized monitoring of system logs, endpoint activity, and network traffic using enterprise tools such as ACAS, Nessus, SCAP, and endpoint security platformsConfigure and maintain SIEM platforms (Microsoft Sentinel), including data connector configuration, correlation rule development and tuning, and SOAR playbook development for automated response workflowsProvide continuous visibility into vulnerabilities, system anomalies, and potential threats across both cloud and on-premises infrastructureConduct proactive threat hunting on a defined schedule, executing hypothesis-driven queries across the log estate to identify behavioral patterns below automated detection thresholds Threat Detection & Incident ResponsePerform log aggregation, correlation analysis, and validation of indicators of compromiseCoordinate containment, investigation, and remediation actions when potential incidents are identifiedIsolate affected systems, validate system integrity, and document all actions to support reporting and compliance requirementsExecute incident response activities in accordance with the NIGC IR planSecurity Tool AdministrationDeploy and operationally manage Microsoft Defender EDR, IDS/IPS solutions, and Azure/M365 security controls in the hybrid production environmentLead implementation and sustainment of vulnerability management and centralized log management solutionsIntegrate CDM program tools with Microsoft Sentinel as additional telemetry sources for continuous monitoring posture reportingConfigure Syslog aggregation pipelines from on-premises network and server infrastructure Regulatory Compliance & Framework ImplementationApply NIST SP 800-37 RMF methodology across Defense, Intelligence, and Civilian frameworksSupport FISMA compliance through implementation of NIST SP 800-53 control families and continuous monitoring under NIST SP 800-137Monitor CISA guidance channels for new Binding Operational Directives (BODs) and Emergency Directives, assessing applicability within five business daysDevelop and maintain System Security Plans (SSPs) and Security Control Traceability Matrices (SCTMs) Requirements Experience This position requires the candidate to be a US Citizen and capable of passing a National Agency Check with Investigation to obtain a Public Trust.Minimum six (6) continuous years of experience in cybersecurity engineering and security operationsSenior-level proficiency with direct, hands-on experience with the following technologies:SIEM platforms (Microsoft Sentinel, Splunk)SOAR tools and automated response workflowsNDR (Network Detection and Response)EDR (Endpoint Detection and Response) - Microsoft DefenderIdentity Management systems (Microsoft Entra ID)Vulnerability scanning tools (ACAS, Tenable.SC, Nessus, SCAP)Linux and Windows Server administrationCisco Networking infrastructureVMware virtualization environments Technical KnowledgeDeep RMF expertise across Defense, Intelligence, and Civilian frameworks (NIST SP 800-37, CNSSI 1253, ICD 503)Familiarity with NIST 800-series publications (800-30, 800-53, 800-137, 800-160/161) and FIPS-199/200Experience with eMASS for RMF package managementProficiency in DISA STIG hardening and SCAP validations Certifications (Required/Preferred)CISSP (Certified Information Systems Security Professional)CompTIA SecurityX (CASP+) CE, CySA+, Security+, or equivalentAdditional preferred: GIAC GCCC, Navy Qualified Validator EducationBachelor's degree in Information Systems, Cybersecurity, Computer Science, or related fieldMaster's degree preferred This position supports a small federal agency operating a hybrid IT environment consisting of: On-premises: Cisco networking infrastructure, VMware Hypervisor ( Cloud: Microsoft Azure IaaS/PaaS, Microsoft Entra ID (Azure AD), Microsoft 365 (Exchange/SharePoint/Teams) Security Stack: Microsoft Sentinel SIEM, Defender EDR, CDM Tools User Base: Fewer than 150 users across headquarters and distributed locations Performance ExpectationsAbility to operate independently with minimal oversight in a small-team federal environmentImmediate contribution upon onboarding with minimal ramp-up periodDeliver measurable improvements in detection accuracy and reduction in false positives Physical Requirements Work may involve sitting or standing for extended periods of time. Position may require typing and reading from a computer screen. Must have sufficient mobility, including but not limited to bending, reaching, and kneeling to complete daily duties in a timely and efficient manner. May include lifting weigh up to thirty (30) pounds as necessary. BenefitsMedical, dental, vision, disability, and life insuranceFlexible Spending Accounts401(k)PTOProfessional DevelopmentPaid federal holidaysPaid Parental Leave Company Summary Headquartered in San Diego, CA, Kiakahi LLC is a Native Hawaiian Organization (NHO) owned SBA Small Disadvantaged Business specializing in global information technology and offering professional solutions in IT Design & Installation, Cybersecurity Engineering & Support, Application Integration & Development, Software & Hardware Engineering, Network & Systems Management, Information Systems Security, and Business Management Services. L Posted Salary Range USD $137,000.00 - USD $147,000.00 /Yr.