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Assistant Open Source Intelligence Jobs in O Fallon, IL

... intelligence from government sources, commercial feeds, open source reporting, and partner ... Support Network Intrusion Detection and Forensics activities. Assist with Continuity of Operations ...

... intelligence from government sources, commercial feeds, open source reporting, and partner ... Support Network Intrusion Detection and Forensics activities. Assist with Continuity of Operations ...

... intelligence from government sources, commercial feeds, open source reporting, and partner ... Support Network Intrusion Detection and Forensics activities. Assist with Continuity of Operations ...

... intelligence from government sources, commercial feeds, open source reporting, and partner ... Support Network Intrusion Detection and Forensics activities. Assist with Continuity of Operations ...

... intelligence from government sources, commercial feeds, open source reporting, and partner ... Support Network Intrusion Detection and Forensics activities. Assist with Continuity of Operations ...

... intelligence from government sources, commercial feeds, open source reporting, and partner ... Support Network Intrusion Detection and Forensics activities. Assist with Continuity of Operations ...

Showing results 21-40

Assistant Open Source Intelligence information

See O Fallon, IL salary details

$10.3K

$96K

$124.1K

How much do assistant open source intelligence jobs pay per year?

As of Sep 12, 2026, the average yearly pay for assistant open source intelligence in O Fallon, IL is $96,021.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,600.00 and $123,600.00 per year, depending on experience, location, and employer.

What is the difference between Assistant Open Source Intelligence vs Research Analyst?

AspectAssistant Open Source IntelligenceResearch Analyst
CredentialsOften requires security clearances, relevant certifications (e.g., OSINT certifications), and a background in intelligence or security studiesTypically requires a degree in research, data analysis, or related fields; certifications vary
Work EnvironmentGovernment agencies, intelligence firms, or security departments; focus on intelligence gathering and analysisCorporate, academic, or government sectors; focus on data collection, analysis, and reporting
Employer & Industry UsagePrimarily used in intelligence, defense, and security industriesUsed across various industries including finance, marketing, and policy research

While both roles involve research and data analysis, Assistant Open Source Intelligence focuses on gathering and analyzing publicly available information for security purposes, often within government or intelligence agencies. Research Analysts have a broader scope, working in diverse sectors to analyze data and generate insights for strategic decision-making.

What cities near O Fallon, IL are hiring for Assistant Open Source Intelligence jobs?

Cities near O Fallon, IL with the most Assistant Open Source Intelligence job openings:

Infographic showing various Assistant Open Source Intelligence job openings in O Fallon, IL as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, and 3% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $96,021 per year, or $46.2 per hour.

Cyber Security Engineer III

Saint Louis, MO โ€ข On-site

System One
Business Consulting Servicesย โ€ขย 5 - 10K employees

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 9 days ago


Job description

Job Title: Cyber Security Engineer Location: St. Louis, MO Work Model: Onsite Position Type: 6 Month Contract to Hire Clearance Requirement: Active TS/SCI required and ability to obtain poly

Job Summary

We are seeking a Cyber Security Engineer to support a mission critical NGA cybersecurity program in St. Louis, MO. This role will provide cyber threat intelligence, advanced cybersecurity analytics, security operations support, and incident response coordination across government systems and networks.

The Cyber Security Engineer will collect, analyze, and distribute threat intelligence from government sources, commercial feeds, open source reporting, and partner organizations to improve situational awareness of the cyber threat environment. This role will also support cybersecurity analytics, reporting, detection tuning, operational recommendations, and security monitoring activities for customer systems and networks.

This is a strong fit for someone with hands on cyber operations experience across HBSS, firewalls, IDS, IPS, VPNs, network security tools, threat intelligence, incident analysis, and cybersecurity reporting.

Key Responsibilities

Provide cyber threat intelligence support, including the collection, fusion, analysis, creation, and distribution of threat intelligence from government entities, commercial feeds, open sources, and partner organizations.

Develop and disseminate threat reports, tippers, and situational awareness products to internal and external stakeholders based on events, alerts, and incidents affecting customer systems and networks.

Perform advanced cybersecurity analytics by aggregating and analyzing security data, products, and information to identify trends, patterns, anomalous activity, and potential threats.

Provide operational recommendations, visualizations, tuning requests, and custom signature creation to the CSOC and other stakeholders.

Implement and monitor security measures for communication systems and networks while ensuring systems and personnel follow established security standards and government requirements.

Support network security activities involving HBSS, firewalls, Intrusion Detection Systems, Intrusion Prevention Systems, VPNs, and other point of presence security tools.

Conduct performance analysis of information systems security incidents and support security incident response activities.

Support Network Intrusion Detection and Forensics activities.

Assist with Continuity of Operations and Disaster Recovery planning.

Support certification activities for information systems and networks.

Provide cybersecurity services during core 12x5 support hours and participate in on call support with a two hour response requirement during non core hours.

Support Public Key Infrastructure, Electronic Key Management System operations, and other information security duties as needed.

Develop new concepts, processes, and solutions to improve cybersecurity operations.

Analyze root causes, resolve technical issues, and provide guidance to junior technicians and specialists.

Work individually, participate on integrated teams, and potentially lead tasks, projects, or small teams.

Required Qualifications

Active TS/SCI clearance.

U.S. Citizenship.

Bachelor’s degree in a technical field such as Information Technology, Information Systems, Computer Science, Cybersecurity, or a related discipline.

Equivalent experience may be considered as follows:

High School diploma or GED with 10 years of relevant cybersecurity experience.

Associate degree with 8 years of relevant cybersecurity experience.

Bachelor’s degree with 6 or more years of relevant cybersecurity experience.

Experience working in cybersecurity operations with tools and technologies such as HBSS, firewalls, Intrusion Prevention Systems, Intrusion Detection Systems, VPNs, and related security operations platforms.

Experience supporting cybersecurity monitoring, analysis, threat intelligence, incident response, or security operations center environments.

Ability to analyze cybersecurity events, alerts, incidents, and threat reporting to identify risks and provide actionable recommendations.

Preferred Qualifications

IAT Level III certification.

DoD 8140.01 and DoD 8570.01-M IAT Level III certification.

CSSP Analyst certification.

Ability to obtain required DoD 8140 / 8570 certifications within 6 months of starting if not already held.

Master’s degree in a technical field.

TS/SCI with Polygraph.

Experience supporting NGA, DoD, intelligence community, or mission critical federal cybersecurity environments.

Experience creating cyber threat reports, tippers, custom signatures, tuning recommendations, or operational threat intelligence products.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M1 #LI-CS1 Ref: #856-Baltimore-S1


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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US