SIEM Engineer

Dice is the leading career destination for tech experts at every stage of their careers. Our client, Apex Systems, is seeking the following. Apply via Dice today!Job#: 3031010Job Description:Job Title: Senior Splunk Enterprise Security (ES) SIEM EngineerLocation: Alexandria, VAClearance: TS/SCI (must be eligible to obtain or maintain)If interested, please send a copy of your resume to Sara at Position OverviewThe Senior Splunk Enterprise Security professional serves as a subject matter expert for designing, implementing, tuning, and maintaining Splunk Enterprise and Enterprise Security to support enterprise-level security monitoring, threat detection, and incident response. This role works closely with security engineering, SOC operations, threat intelligence, and IT infrastructure teams to enhance visibility, strengthen detection capabilities, and ensure the overall effectiveness of SIEM operations.Key ResponsibilitiesArchitect, deploy, and administer Splunk Enterprise Security in a large-scale, distributed environmentDevelop and optimize correlation searches, risk-based alerting (RBA) models, dashboards, data models, and notable eventsLead onboarding, parsing, normalization, and CIM mapping for diverse security and IT data sourcesConduct health checks, performance tuning, and capacity planning for Splunk indexers, search he Install, configure, and maintain Splunk Enterprise components: indexers, search head clusters, deployment servers, heavy forwarders, and universal forwardersAdminister and optimize clustered Splunk environments for performance, resiliency, and scalabilityConfigure and manage data onboarding, parsing, props/transforms, index creation, retention policies, and storage planning ads, and cluster environmentsEnhance detection engineering by creating advanced detection logic for TTPs aligned to MITRE ATT&CKCollaborate with SOC analysts to operationalize detections and automate workflows via SOAR (if applicable)Monitor and improve data ingestion pipelines and troubleshoot indexing or search performance issuesMaintain documentation, playbooks, and engineering standards for Splunk ES environmentsMentor junior analysts/engineers and provide SME guidance during incidents and threat hunting activitiesEnsure compliance with enterprise security policies, regulatory frameworks, and audit requirementsManage distributed configurations using deployment server, cluster master, or deployment toolsImplement best practices for system security, hardening, and compliance requirementsCollaborate with ES and SOC teams to ensure data readiness and platform reliability for security operationsAutomate routine administrative tasks using scripts (Python, Bash, PowerShell)Maintain documentation for architecture, configuration standards, data onboarding, and operational proceduresProvide mentorship and SME-level technical guidance to Splunk users and junior administratorsRequired QualificationsBachelor's degree in Cybersecurity, Computer Science, IT, or related field (or equivalent experience)5-10+ years of hands-on experience with Splunk Enterprise and Splunk ESStrong expertise in SPL query design, dashboards, macros, and data model accelerationProven experience with CIM mapping, data ingestion onboarding, and parsing using props/transformsUnderstanding of SIEM operations, SOC workflows, and threat detection methodologiesKnowledge of security tools (EDR, FW, IDS/IPS, cloud logs, vulnerability scanners, IAM logs, etc.)Familiarity with Linux/Unix systems, networking protocols, and cybersecurity fundamentalsAbility to guide incident response activities and provide SME-level supportStrong knowledge of Splunk architecture, clustering, indexing, and search optimizationExperience with configuration files (props.conf, transforms.conf, inputs.conf, outputs.conf)Proficiency in Linux/Unix administration and system troubleshootingHands-on experience with data ingestion, parsing, and log pipeline troubleshootingFamiliarity with networking concepts (TCP/UDP, syslog, load balancing, SSL certificates)Experience with role-based access controls and authentication integrationsAbility to lead Splunk upgrades, migrations, and architectural improvementsPreferred QualificationsSplunk certifications (Architect, Consultant, ES Analyst, Core Certified Power User, etc.)Experience with Splunk SOAR (Phantom) for automationExpertise with MITRE ATT&CK-aligned detection developmentScripting/automation experience (Python, Bash, PowerShell)Experience in cloud security logging (AWS, Azure, Google Cloud Platform)Background supporting federal government or regulated industriesSoft SkillsStrong analytical and problem-solving abilitiesExcellent communication and documentation skillsAbility to lead and mentor teammatesComfortable working in a dynamic SOC or security engineering environmentEEO EmployerApex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.