OneMain Financial Jobs

Cloud Information Systems Security Engineer (ISSE) – Senior Level

Category: Cyber Security

Main location: United States, District of Columbia, Washington

Alternate Location(s): United States, West Virginia, Clarksburg

United States, Alabama, Huntsville

Position ID: J1225-1846

Employment Type: Full Time

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Position Description:

US CITIZENSHIP AND ACTIVE TOP SECRET OR TS/SCI CLEARANCE IS REQUIRED

CGI Federal is seeking a Senior Cloud Information Systems Security Engineer (ISSE) to provide advanced cloud security engineering expertise for a major federal initiative. The Senior Cloud ISSE leads secure cloud architecture activities, ensures NIST‑aligned control implementation, and supports secure integration of enterprise systems across AWS, Azure, and hybrid environments. This role advises system owners, architects, and engineering teams on secure cloud design, RMF engineering requirements, and the protection of high‑value federal workloads.

Your future duties and responsibilities:

• Lead design and engineering of secure cloud architectures across AWS, Azure, and hybrid environments.

• Implement and validate NIST 800‑53 security controls and cloud‑native security services (IAM, encryption, segmentation, logging).

• Conduct cloud threat modeling, risk assessments, and architecture reviews.

• Oversee cloud configuration baselines using STIGs, CIS Benchmarks, and SCAP.

• Drive cloud vulnerability and compliance efforts using ACAS/Nessus and cloud‑security posture tools.

• Support RMF engineering activities including boundary definition, inheritance documentation, and authorization packages.

• Integrate cloud‑security capabilities such as Sentinel, Splunk, and SIEM logging pipelines.

• Guide DevSecOps teams on secure CI/CD, container security, and infrastructure‑as‑code validation.

• Produce cloud architecture diagrams, design documentation, and engineering artifacts.

• Mentor junior and mid‑level ISSEs and act as a technical escalation point for cloud engineering issues.

Required qualifications to be successful in this role:

• Bachelor’s degree in Cybersecurity, Information Systems, Computer Engineering, or related technical field (Master’s preferred).

• Minimum of 7+ years of cybersecurity or secure systems engineering experience, including cloud architecture.

• Active Top Secret or TS/SCI clearance.

• Advanced experience with:

– Secure cloud architecture (AWS, Azure, hybrid)

– NIST RMF engineering and NIST 800‑160 principles

– Implementing NIST 800‑53 controls in cloud environments

– Cloud configuration baselines (STIGs, CIS, SCAP)

• Strong ability to lead cloud engineering efforts across large federal programs.

• Excellent communication and engineering documentation skills.

Preferred Certifications (Senior Cloud ISSE Level)

Strongly Preferred:

• CISSP

• CCSP

• CASP+ CE

Cloud Certifications:

• AWS Solutions Architect (Associate/Professional)

• AWS Security Specialty

• Azure Security Engineer (AZ‑500)

• Azure Solutions Architect (AZ‑305)

• Cloud+ / AWS Cloud Practitioner / Azure AZ‑900 (baseline validations)

Additional Highly Valuable:

• GCIH, GCED

• CISSP‑ISSAP or ISSEP

• DoD 8140/8570 IASAE‑II/III certifications

Technical Familiarity

• AWS and Azure security services (IAM, logging, encryption, segmentation, key management).

• ACAS/Nessus, Tenable, and cloud‑security posture tools.

• SIEM platforms (Sentinel, Splunk) and cloud log pipelines.

• DevSecOps pipelines, CI/CD security integration, Git/Azure DevOps.

• SAST/DAST tools, API security, and secure system integration patterns.

• Ability to review and influence complex cloud architecture and system design decisions.

Due to the nature of this government contract, US Citizenship is required.

#CGIFederalJob

#LI-DD1

Skills:

• Information Security Mgmt

What you can expect from us:

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

Come join our team—one of the largest IT and business consulting services firms in the world.

Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.

CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at USEmploymentCompliance@cgi.com . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.

We make it easy to translate military experience and skills! Clickhere (https://cgi-veterans.jobs/) to be directed to our site that is dedicated to veterans and transitioning service members.

All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.

CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI’s legal duty to furnish information.