G3 Innovative Solutions is an IT Services company founded to create innovative solutions to enhance the capabilities of our customers. G3 employees have successfully satisfied the technology needs of the U.S. Government and we continue to maintain relationships with those who have specialized expertise in the federal market. G3’s broad experience, focus toward desired outcomes, and commitment to Innovation ensures responsive and long-lasting results.
Job Description: G3 Innovative Solutions is seeking a Senior Information Systems Security Engineer (ISSE) to embed security requirements and controls throughout the systems development lifecycle for federal cloud and enterprise systems. The engineer will advise system owners, ISSOs, and development teams and support the achievement and maintenance of Authorization to Operate (ATO) decisions.
The role combines security architecture, risk management, technical control validation, vulnerability remediation, and detailed documentation in support of federal authorization requirements.
Duties and responsibilities:
- Identify, analyze, and document cybersecurity requirements during system design and participate in architecture and technical reviews.
- Translate identified threats and vulnerabilities into effective engineering controls, mitigation strategies, and design recommendations.
- Support RMF categorization and NIST SP 800-53 control selection, implementation, assessment, and continuous monitoring.
- Develop and maintain authorization artifacts including System Security Plans (SSPs), Security Assessment Reports (SARs), and Plans of Action and Milestones (POA&Ms).
- Engineer and validate controls for access management, audit logging, encryption, boundary defense, and other security functions.
- Conduct or support technical security testing and document control effectiveness and remaining risks.
- Assess configurations against DISA STIGs, evaluate vulnerability findings, and prioritize remediation recommendations.
- Review proposed system changes for security impact and advise on control updates and authorization implications.
- Prepare technical diagrams, control implementation statements, interconnection security agreements, and lifecycle security documentation.
- Partner with ISSOs, developers, system owners, and program managers to sustain compliant and operational systems.
Requirements:
- Must be a U.S. citizen and currently possess an active Top Secret security clearance.
- Bachelor's degree in cybersecurity, information technology, computer science, or a related field.
- Eight or more years of relevant information security or security engineering experience is recommended.
- Working knowledge of NIST SP 800-53, Risk Management Framework (RMF), and federal ATO documentation.
- Ability to apply technical security controls, interpret scan findings, and assess configuration and system-change risk.
- Experience with DISA STIGs and vulnerability or compliance remediation workflows.
- Strong technical writing, risk communication, and stakeholder engagement skills.
Desired:
- Experience supporting security authorization and continuous monitoring for federal cloud systems.
- Experience with eMASS, POA&M tracking, or other RMF support tools.
- Relevant cybersecurity credentials such as CISSP, CCSP, or cloud security certifications. IAM/IAT Level III certification such as CISM, CCSP, CASP+/SecurityX, or CISSP.
:
Compensation: $115,000 - $130,000 annually depending on experience and candidate qualifications
Benefits Offered: 401K, Medical, Dental, Life, Medical, Vision, and moreEmployment Type: Full-TimeClearance (Required): Must currently possess a Top Secret Clearance
G3 Innovative Solutions, LLC provides equal employment opportunity to all individuals regardless of race, color, creed, religion, gender, age, sexual orientation, national origin or ancestry.