Maximus is hiring a Senior Cybersecurity Engineer – Elastic SIEM for an onsite role in San Antonio, TX. This position supports the engineering, operation, and sustainment of the Elastic SIEM across multiple classified enclaves, helping maintain reliable monitoring and detection capabilities in support of mission requirements. The role also offers comprehensive support through benefits including health insurance, life and disability insurance, and a retirement savings plan.
Responsibilities
- Lead complex SIEM engineering tasks with minimal supervision, including providing technical guidance to the team.
- Administer, operate, and sustain the Elastic SIEM platform across NIPRNet, SIPRNet, and JWICS using Elasticsearch, Kibana, Logstash, and Beats/Elastic Agent.
- Monitor SIEM health, perform capacity planning, and resolve complex platform outages and degradations in accordance with defined SLAs.
- Develop, tune, and maintain detection rules, alerts, dashboards, and visualizations in Elastic to support DCO mission requirements.
- Ingest, normalize, and validate log data from diverse sources including endpoint, network, cloud, and application telemetry.
- Collaborate with cyber operators and analysts for threat detection, alert triage, and cyber incident investigation workflows.
- Identify opportunities to improve SIEM coverage, data quality, and detection fidelity, and lead implementation of improvements in coordination with the Government PMO.
- Support CSSP activities, including continuous monitoring and security event analysis.
- Create and maintain technical documentation such as runbooks, standard operating procedures (SOPs), and knowledge base articles.
- Provide technical guidance and mentoring to journeyman engineers, including reviewing SIEM configurations and detection rules.
- Participate in Agile/SAFe Program Increment (PI) planning and sprint execution supporting platform delivery.
- Adhere to Air Force cybersecurity standards and all applicable DoD, IC, and USAF policy and directives across all enclaves.
Requirements
- Active TS/SCI security clearance.
- Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field, or equivalent experience.
- 7+ years of hands-on cybersecurity engineering experience.
- Advanced proficiency, including demonstrated experience leading complex Elastic SIEM integrations and troubleshooting, reviewing technical work, and mentoring engineers.
- Hands-on experience with Elastic Stack (Elasticsearch, Kibana, Logstash, Beats/Elastic Agent) in an operational SIEM environment.
- Experience supporting threat detection and alert triage and/or cyber incident investigation.
- Familiarity with DCO concepts, CSSP operations, and defensive cyber frameworks.
- Experience working across multiple network security domains (NIPR, SIPR, or JWICS).
- Meet applicable DoD 8140 requirements for the assigned work role: DCWF 521, Cyber Defense Infrastructure Support Specialist, Advanced Proficiency (specific required certifications pending contract confirmation).
Technologies
Elastic SIEM, Elasticsearch, Kibana, Logstash, Beats, Elastic Agent, NIPRNet, SIPRNet, JWICS, Agile, SAFe, NIPR, SIPR
Benefits
- Health insurance coverage
- Life and disability insurance
- A retirement savings plan
- Paid holidays
- Paid time off
Preferred Skills and Qualifications
- Experience with SIEM/SOAR integrations (e.g., Elastic, Palo Alto Cortex XSOAR, or similar).
- Familiarity with Elastic Fleet/Agent management and integration development.
- Experience with AWS GovCloud environments (IL4/IL5/IL6).
- Knowledge of MITRE ATT&CK and applying it to detection engineering.
- Experience with scripting/automation (Python, Bash, KQL/EQL) for SIEM rule development and data pipeline management.
- Familiarity with container-based deployments (Kubernetes/EKS) in classified environments.
- Prior experience supporting USAF or DoD DCO programs.
- One or more certifications preferred: Elastic Certified Engineer, CompTIA CySA+, GCIA, or GCIH.
Compensation: $145,000 - $180,000 per year (minimum: $145,000.00; maximum: $180,000.00).
Accommodations: Maximus provides reasonable accommodations to individuals requiring assistance during any phase of the employment process due to a disability, medical condition, or physical or mental impairment. If you require assistance at any stage of the employment process, including accessing job postings, completing assessments, or participating in interviews, contact People Operations at applicantaccom@maximus.com.
