Busey
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Senior IT Security Analyst
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Busey Position Summary: The Senior IT Security Analyst is responsible for managing activities relating to monitoring and responding to security events. The analyst monitors application, host, and network threats, including external threat actors and rogue insiders. As a trusted member of the Information Security team, the analyst works closely with internal technical teams, business units, and external entities aligned with the business, including private intelligence-sharing groups, law enforcement, and government agencies. The analyst conducts in-depth research, documents threats, understands the risk to the business, and shares information with those who need to know. Analysts are expected to continually adapt to stay ahead of cyber attackers and stay up to date on the latest methods attackers use to infiltrate computer systems. This role requires a passion for security and rigor to protect the business. Responsibilities
Develop, manage, and maintain threat intelligence and threat hunting program and processes Regularly research and identify emerging threats and TTPs in public and closed forums; work with colleagues to assess risk and implement/validate controls as necessary Assist with Security Operations activities, including triage of alarms/alerts and performing technical security assessments Participate in a call tree for outsourced Security Operations Center to assist with triage and remediation of critical and high-rated alerts escalated during and after business hours Research and recommend solutions to fulfill regulatory compliance with FFIEC guidelines, Sarbanes-Oxley, Gramm-Leach-Bliley, and other applicable regulations Perform periodic review of IT procedures and security of all systems to maintain integrity of company and customer data Document and verify IT-related changes in accordance with Company security policies and procedures Research and recommend hardware and software solutions to enhance existing security measures Stay current in events and trends in IT security Investigate and report any security violations and incidents; ensure proper protection and corrective measures are taken when an incident or vulnerability is discovered Conduct scheduled reviews of key application security settings Develop metrics and scorecards to measure risk to the organization and effectiveness of SOC activities Assist in process development and improvements to maximize efficiency and effectiveness of the department Support audit and incident processes, as required Monitor and support internal SIEM systems, reports, and searches Monitor and support internal phishing email report systems Partner with cross-functional teams and establish strong liaison relationships with key internal business and technology teams Coach Level I & II on security domains and program processes Depending on need, VP Security may determine a Team Lead designation for Level III role Participate in security work streams for enterprise projects and initiatives Determine and communicate security risk postures to partners and leaders as appropriate Knowledge Of
Strong experience with threat information sharing and threat hunting in medium to large environments Proficient with SIEM tools, threat intelligence platforms, and SOAR solutions to manage incident and remediation workflow Knowledge of networking concepts and securing traffic across LAN, WAN, and Internet infrastructure Proficiency in Windows, Linux, and MacOS to research and analyze threats and respond to incidents Experience in incident handling and investigation including using formal chain-of-custody methods and forensic tools Awareness of adversary TTPs, MITRE ATT&CK framework, and CVSS Ability to script in Python, Bash, Perl, RegEx, or PowerShell Familiarity with cloud architectures, security standards, and best practices Strong oral and written communication skills Strong organizational skills and attention to detail Excellent interpersonal skills Ability To
Analyze incident logs, attack vectors, and understand vulnerabilities and exploits Take independent action within established options and develop new procedures as needed Analyze assignments based on multiple factors requiring advanced or technical concepts Be self-starter with minimal supervision Be highly organized and efficient Demonstrate strategic and tactical thinking Stay current with the evolving threat landscape Perform duties and make decisions under time pressure Education And Training
Preferred: Bachelor’s degree in Computer Science, MIS or related field or equivalent work experience On-the-job training in security operations, threat intel and hunting, system administration, or incident response Security+, CySA+, GCIH, CSA, CCSP or similar certification; or willingness to pursue certification within six months of hire At least 5 years’ experience in security operations center environments, threat intelligence/hunting, or security systems administration Requires knowledge of Microsoft Office and other productivity tools Benefits And Compensation
Salary offered is based on factors including duties, qualifications, experience, and local market trends. Base pay range: $86,000 - $123,000/year. This role may be eligible for bonus or incentives based on company and individual performance. Busey provides a Total Rewards package including 401(k) match, profit sharing, employee stock purchase plan, paid time off, medical, dental, vision, life insurance, disability coverage, wellness incentives, and an employee assistance program. Eligible associates may use pre-tax health savings accounts and flexible spending accounts. Visit Busey Total Rewards for more information. Equal Opportunity
Busey values a diverse and inclusive workplace and strives to recruit, develop and retain individuals with exceptional talent. Busey is an Equal Opportunity Employer including Disability/Vets. Visit Busey.com/Careers to learn more about Busey’s Equal Opportunity Employment. Unsolicited Resumes
Busey Bank, and its subsidiaries, does not accept liability for fees for resumes from recruiters or employment agencies without a binding written recruitment agreement. Busey may consider any candidate for whom an Agency has submitted an unsolicited resume and reserves the right to hire those candidates without financial obligation to the Agency unless an Agreement is in place. Agencies without an Agreement are requested not to contact any associates of Busey with recruiting inquiries or resumes. No phone calls or emails. Application Deadline 11/15/25
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Senior IT Security Analyst
role at
Busey Position Summary: The Senior IT Security Analyst is responsible for managing activities relating to monitoring and responding to security events. The analyst monitors application, host, and network threats, including external threat actors and rogue insiders. As a trusted member of the Information Security team, the analyst works closely with internal technical teams, business units, and external entities aligned with the business, including private intelligence-sharing groups, law enforcement, and government agencies. The analyst conducts in-depth research, documents threats, understands the risk to the business, and shares information with those who need to know. Analysts are expected to continually adapt to stay ahead of cyber attackers and stay up to date on the latest methods attackers use to infiltrate computer systems. This role requires a passion for security and rigor to protect the business. Responsibilities
Develop, manage, and maintain threat intelligence and threat hunting program and processes Regularly research and identify emerging threats and TTPs in public and closed forums; work with colleagues to assess risk and implement/validate controls as necessary Assist with Security Operations activities, including triage of alarms/alerts and performing technical security assessments Participate in a call tree for outsourced Security Operations Center to assist with triage and remediation of critical and high-rated alerts escalated during and after business hours Research and recommend solutions to fulfill regulatory compliance with FFIEC guidelines, Sarbanes-Oxley, Gramm-Leach-Bliley, and other applicable regulations Perform periodic review of IT procedures and security of all systems to maintain integrity of company and customer data Document and verify IT-related changes in accordance with Company security policies and procedures Research and recommend hardware and software solutions to enhance existing security measures Stay current in events and trends in IT security Investigate and report any security violations and incidents; ensure proper protection and corrective measures are taken when an incident or vulnerability is discovered Conduct scheduled reviews of key application security settings Develop metrics and scorecards to measure risk to the organization and effectiveness of SOC activities Assist in process development and improvements to maximize efficiency and effectiveness of the department Support audit and incident processes, as required Monitor and support internal SIEM systems, reports, and searches Monitor and support internal phishing email report systems Partner with cross-functional teams and establish strong liaison relationships with key internal business and technology teams Coach Level I & II on security domains and program processes Depending on need, VP Security may determine a Team Lead designation for Level III role Participate in security work streams for enterprise projects and initiatives Determine and communicate security risk postures to partners and leaders as appropriate Knowledge Of
Strong experience with threat information sharing and threat hunting in medium to large environments Proficient with SIEM tools, threat intelligence platforms, and SOAR solutions to manage incident and remediation workflow Knowledge of networking concepts and securing traffic across LAN, WAN, and Internet infrastructure Proficiency in Windows, Linux, and MacOS to research and analyze threats and respond to incidents Experience in incident handling and investigation including using formal chain-of-custody methods and forensic tools Awareness of adversary TTPs, MITRE ATT&CK framework, and CVSS Ability to script in Python, Bash, Perl, RegEx, or PowerShell Familiarity with cloud architectures, security standards, and best practices Strong oral and written communication skills Strong organizational skills and attention to detail Excellent interpersonal skills Ability To
Analyze incident logs, attack vectors, and understand vulnerabilities and exploits Take independent action within established options and develop new procedures as needed Analyze assignments based on multiple factors requiring advanced or technical concepts Be self-starter with minimal supervision Be highly organized and efficient Demonstrate strategic and tactical thinking Stay current with the evolving threat landscape Perform duties and make decisions under time pressure Education And Training
Preferred: Bachelor’s degree in Computer Science, MIS or related field or equivalent work experience On-the-job training in security operations, threat intel and hunting, system administration, or incident response Security+, CySA+, GCIH, CSA, CCSP or similar certification; or willingness to pursue certification within six months of hire At least 5 years’ experience in security operations center environments, threat intelligence/hunting, or security systems administration Requires knowledge of Microsoft Office and other productivity tools Benefits And Compensation
Salary offered is based on factors including duties, qualifications, experience, and local market trends. Base pay range: $86,000 - $123,000/year. This role may be eligible for bonus or incentives based on company and individual performance. Busey provides a Total Rewards package including 401(k) match, profit sharing, employee stock purchase plan, paid time off, medical, dental, vision, life insurance, disability coverage, wellness incentives, and an employee assistance program. Eligible associates may use pre-tax health savings accounts and flexible spending accounts. Visit Busey Total Rewards for more information. Equal Opportunity
Busey values a diverse and inclusive workplace and strives to recruit, develop and retain individuals with exceptional talent. Busey is an Equal Opportunity Employer including Disability/Vets. Visit Busey.com/Careers to learn more about Busey’s Equal Opportunity Employment. Unsolicited Resumes
Busey Bank, and its subsidiaries, does not accept liability for fees for resumes from recruiters or employment agencies without a binding written recruitment agreement. Busey may consider any candidate for whom an Agency has submitted an unsolicited resume and reserves the right to hire those candidates without financial obligation to the Agency unless an Agreement is in place. Agencies without an Agreement are requested not to contact any associates of Busey with recruiting inquiries or resumes. No phone calls or emails. Application Deadline 11/15/25
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