Description & Requirements

Maximus is currently seeking a Junior Cybersecurity Engineer - Elastic SIEM.

This role is onsite, 5 days a week, in San Antonio, TX and requires an active Top Secret / SCI (TS/SCI) security clearance.

Maximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS056, T2, Band 5

Job-Specific Essential Duties and Responsibilities:
- Perform routine tasks under the guidance and review of experienced engineers, following established procedures.
- Assist with administering, operating, and sustaining the Elastic SIEM platform (Elasticsearch, Kibana, Logstash, Beats/Elastic Agent) across NIPRNet, SIPRNet, and JWICS environments.
- Monitor SIEM health, support capacity planning, and troubleshoot routine platform issues using runbooks; escalate outages and complex degradations in accordance with defined SLAs.
- Assist with developing, tuning, and maintaining detection rules, alerts, dashboards, and visualizations in Elastic to support DCO mission requirements.
- Assist with ingesting, normalizing, and validating log data from diverse sources including endpoint, network, cloud, and application telemetry.
- Collaborate with cyber operators and analysts to support threat detection, alert triage, and cyber incident investigation workflows.
- Identify opportunities to improve SIEM coverage, data quality, and detection fidelity; support implementation of approved improvements in coordination with the Government PMO.
- Support Cyber Security Service Provider (CSSP) activities including continuous monitoring and security event analysis.
- Update technical documentation under review including runbooks, standard operating procedures (SOPs), and knowledge base articles.
- Participate in Agile/SAFe Program Increment (PI) planning and sprint execution in support of platform delivery.
- Adhere to Air Force cybersecurity standards and all applicable DoD, IC, and USAF policy and directives across all enclaves

Job-Specific Minimum Requirements:

- Active Top Secret / SCI (TS/SCI) security clearance.
- Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or related field (or equivalent experience).
- 3+ years of hands-on cybersecurity engineering experience.
- Basic proficiency level: ability to perform routine Elastic SIEM tasks using established procedures, with supervision and review.
- Demonstrated hands-on experience with Elastic Stack (Elasticsearch, Kibana, Logstash, Beats/Elastic Agent) in an operational SIEM environment.
- Experience supporting threat detection, 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, Basic Proficiency; specific required certifications pending contract confirmation.

Preferred Skills and Qualifications:

- Experience with SIEM/SOAR integrations (e.g., Elastic, Palo Alto Cortex XSOAR, or similar).
- Familiarity with Elastic's Fleet/Agent management and integration development.
- Experience with AWS GovCloud environments (IL4/IL5/IL6).
- Knowledge of MITRE ATT&CK framework and its application 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 of the following certifications preferred: Elastic Certified Engineer, CompTIA CySA+, GCIA, or GCIH.

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Minimum Requirements

TCS056, T2, Band 5

Minimum Salary

$

90,000.00

Maximum Salary

$

110,000.00