Senior Cybersecurity Analyst

Job Description

Job Description

Custom Software Systems (CSS) Inc. is seeking a Senior Cybersecurity Analyst with hands-on experience in intrusion detection, incident response, and threat analysis across both on-premises and cloud environments. This role requires a U.S. citizen with strong analytical skills and in-depth knowledge of cybersecurity tools and protocols, as well as industry-recognized certifications such as CISSP, GCIH, or equivalent. The ideal candidate will play a key role in protecting critical systems by implementing advanced detection logic, conducting forensic investigations, and ensuring robust data loss prevention measures.

Responsibilities

• Administer and maintain logic for a variety of intrusion detection, prevention, and analysis platforms.

• Author and implement custom detection content for signature-based detection systems, security information and event management (SIEM) systems, host-based detection systems, and firewall logic.

• Monitor real-time network activity flagged by a variety of intrusion detection, prevention, and analysis platforms and analyze raw data, metadata, and event logs to confirm suspected intrusion attempts into either local (on-premises) or cloud computing systems.

• Investigate network anomalies and respond to cybersecurity incidents in either local (on-premises) or cloud computing systems.

• Implement and maintain a fully operational data loss prevention capability that prevents the loss of data from local (on-premises) and/or cloud computing systems.

Required Qualifications

• Must be a US Citizen

• At least five (5) years of experience as a Cybersecurity Analyst with hands-on experience in intrusion detection, incident response, and threat analysis across both on-premises and cloud environments.

Education

• A BS/BA in Computer Science, Information Systems Management, Computer Engineering, or an equivalent combination of education and/or experience.

Clearance

• Must be able to pass Public Trust Clearance

Citizenship

• US Citizenship

Knowledge, Skills & Abilities

• Experience administering and maintaining the logic for a variety of intrusion detection, prevention, and analysis platforms that are designed to identify and/or technically counter attempted intrusions as part of a defense-in-depth program that protects both local (on-premises) and cloud computing systems. This includes authoring and implementing custom detection content for signature-based detection systems, security information and event management (SIEM) systems, host-based detection systems, and firewall logic.

• Experience monitoring real-time network activity flagged by a variety of intrusion detection, prevention, and analysis platforms and experience analyzing the resulting raw data, metadata, and event logs to confirm suspected intrusion attempts into either local (on premises) or cloud computing systems.

• Experience investigating network anomalies and responding to cybersecurity incidents in either local (on-premises) or cloud computing systems, including all phases of the digital forensics and incident response process (e.g. preparation, scoping, containment, eradication, remediation, recovery, lessons learned, and closeout).

• Experience implementing and maintaining a fully operational data loss prevention capability that prevents the loss of data from local (on-premises) and/or cloud computing systems.

Certificates

• Certified Information Systems Security Professional (CISSP)

• Certified Incident Handler (GCIH)

• GIAC Network Forensic Analyst (GNFA)

• GIAC Certified Forensic Analyst (GCFA)

• CompTIA Security+

• GIAC Security Essentials Certification (GSEC)

Compensation & Benefits

• Wage Range: Coming Soon

• General Benefits: Custom Software Systems, Inc. offers our employees a competitive benefits package that may include:

• Health insurance plans

• Health Savings Account (HSA)

• Dental

• Vision

• Long-term disability

• Short-term disability

• Basic term life insurance

• Supplemental term life insurance for employees, spouses, and dependents

• Simple IRA

• Parking/Commuting expense reimbursement

• Training/Education

Company DescriptionCompany Background:
Headquartered in Leesburg, Virginia, Custom Software Systems, Inc. (CSS) is a Woman-Owned (WOSB) and HUBZone certified small business. Built on a foundation of trusted client partnerships, CSS has fostered a stakeholder-centric yet disciplined approach to IT solutions development. This ensures our ability to consistently meet or exceed our customers' expectations.

Benefits:
CSS is a very employee oriented company knowing that well trained, professional associates are what make our company great. We offer a competitive benefits package that includes: paid holidays and paid time off; medical insurance that includes vision; dental insurance; company paid long and short-term disability and life insurance; a Simple IRA plan (similar to 401k); parking and commuter reimbursement. We also work with our employees on training and professional certification plans that benefit the employee, the client and CSS - a win-win-win strategy.

Equal Opportunity Employer:
CSS provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. CSS complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

CSS expressly prohibits any form of unlawful employee harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of CSS employees to perform their expected job duties is absolutely not tolerated.

Company Description

Company Background:\r\nHeadquartered in Leesburg, Virginia, Custom Software Systems, Inc. (CSS) is a Woman-Owned (WOSB) and HUBZone certified small business. Built on a foundation of trusted client partnerships, CSS has fostered a stakeholder-centric yet disciplined approach to IT solutions development. This ensures our ability to consistently meet or exceed our customers' expectations. \r\n\r\nBenefits:\r\nCSS is a very employee oriented company knowing that well trained, professional associates are what make our company great. We offer a competitive benefits package that includes: paid holidays and paid time off; medical insurance that includes vision; dental insurance; company paid long and short-term disability and life insurance; a Simple IRA plan (similar to 401k); parking and commuter reimbursement. We also work with our employees on training and professional certification plans that benefit the employee, the client and CSS - a win-win-win strategy.\r\n\r\nEqual Opportunity Employer:\r\nCSS provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. CSS complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.\r\n\r\nCSS expressly prohibits any form of unlawful employee harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of CSS employees to perform their expected job duties is absolutely not tolerated.