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Job Description:

Sr. Security Analyst

Location: Scott AFB, Illinois (Onsite)

Role Overview

We are seeking a Senior Security Analyst with strong Elastic SIEM
experience and solid cybersecurity fundamentals. This role involves
investigating alerts, hunting for threats, and operationalizing
detection capabilities across network, cloud, and endpoint telemetry.
The position requires analytical rigor and the ability to operate with
limited oversight in a dynamic environment.
Key Responsibilities
Monitor network and endpoint activity using IDS/IPS, firewalls,

host-based security tools, and Elastic SIEM.

Investigate alerts, correlate security events from multiple data

sources, and identify indicators of compromise across network,
cloud, and endpoint environments.

Develop and tune SIEM content, including detection rules, machine

learning rules, dashboards, and visualizations.

Conduct threat hunting, phishing investigations, and vulnerability

research.

Support incident response efforts, including containment,

mitigation, root cause analysis, and reporting.

Develop automation and integrations using Python and PowerShell to

support investigations and workflows.

Assist with the integration of new telemetry sources into the

Elastic SIEM.

Deliver training to customer teams on SIEM operations, investigation

workflows, and cybersecurity best practices.

Create and maintain operational documentation such as runbooks,

triage guides, and detection standards.
Required Qualifications
2+ years of cybersecurity experience.
Proficiency with Elastic SIEM for monitoring, detection, triage, and

investigation.

Experience with Kibana.
Scripting experience with Python and/or PowerShell.
Experience creating and tuning SIEM rules and dashboards.
A strong understanding of network protocols, encryption concepts,

and vulnerabilities.

Strong analytical and incident investigation skills.
Must possess and maintain a U.S. Passport.
Willingness to support occasional domestic or international travel.

Preferred Qualifications
Prior experience working in a Security Operations Center (SOC).
Experience with EDR, SOAR, and ticketing tools.
Familiarity with cloud security in environments such as AWS, Azure,

or GCP.

Experience with Elastic observability data (logs, metrics, traces)

for investigations.

Relevant certifications such as CISSP, GCIH, CEH, Elastic Certified

Analyst, Security+, or GSEC.
*Everforth Apex is a world-class IT services company that serves
thousands of clients across the globe. When you join Everforth 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 ClearlyRateds Best of Staffing in Talent Satisfaction in the
United States and Great Place to Work in the United Kingdom and Mexico.
Everforth Apex uses a virtual recruiter as part of the application
process.
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Everforth Apex Benefits Overview: Everforth 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.
Everforth 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, Everforth 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. Everforth 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*

Apex Systems

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Sr. Security Analyst