Systems Engineer (Core Systems/Network) - Senior

Education: Bachelor’s degree required
Experience: Minimum of 10 years of relevant experience

Position Summary

We are seeking a Security Engineer to secure multiple applications, cloud platforms, and supporting infrastructure. This role combines application security, threat detection, incident response, cyber resiliency, and secure cloud operations.

The Security Engineer designs monitoring and alerting capabilities, assesses vulnerabilities, and implements protections for critical data and systems. The individual also maintains cloud environments, manages communications security resources, and works with industry partners to advise government stakeholders on security risks and recommended improvements.

Key Responsibilities

• Secure applications, platforms, cloud infrastructure, and supporting networks using defense-in-depth principles.

• Develop and maintain incident response and recovery plans that support cyber resiliency and operational continuity.

• Conduct web application and platform security testing to identify vulnerabilities and recommend remediation.

• Identify critical application data, potential exposure points, and security weaknesses.

• Design, implement, and maintain monitoring and alerting capabilities to detect anomalous activity across multiple systems.

• Monitor and correlate security data to support detection, investigation, remediation, and continuous improvement.

• Coordinate with industry partners to advise government stakeholders on vulnerabilities, security risks, and recommended corrective actions.

• Install, maintain, upgrade, and operate secure cloud computing environments and core infrastructure.

• Build and continuously improve cloud networks and systems in accordance with security governance policies and guidelines.

• Manage communications security (COMSEC) resources or serve as a key custodian for a cryptographic key management system (CKMS), as assigned.

• Protect organizational websites, Internet transactions, confidential order information, and external business-to-business connections.

• Implement and maintain Internet firewalls and encryption technologies to protect organizational and customer information.

• Administer user access, including account updates and deletions.

• Monitor compliance violations, conduct follow-up activities, and coordinate corrective actions.

• Develop and maintain security policies, practices, and guidelines.

Required Qualifications

• Minimum of 10 years of relevant experience in cybersecurity, security engineering, application security, cloud security, or related technical disciplines.

• Experience securing multiple applications and identifying critical data and vulnerability points.

• Ability to develop incident response and recovery plans.

• Knowledge of cyber resiliency, security planning, and web application and platform security testing.

• Experience designing monitoring and alerting capabilities and investigating anomalous activity.

• Ability to correlate data from multiple systems to detect threats, guide remediation, and recommend security improvements.

• Experience installing, maintaining, upgrading, and securing cloud infrastructure, platforms, networks, and software.

• Knowledge of defense-in-depth security principles and security governance requirements.

• Experience managing COMSEC resources or performing cryptographic key custodial duties.

• Knowledge of Internet firewalls, encryption technologies, website security, and secure external connections.

• Experience administering user access, addressing compliance violations, and developing security policies and procedures.

• Ability to communicate technical findings and recommendations to government stakeholders and industry partners.

Fantom Corp is a Software Development, Agile Cloud, Software Development, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider. Established in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services , and Cloud-certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data. Fantom Corp possesses mastery in all aspects of digital audio production. We lead in the ideation and creation of efforts for clients who want to harness the power of podcasting. We guide them in selecting the right show format for their needs and goals. As a Small Business, we possess the innovation, speed and flexibility to meet your requirements.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.