Custom Software Systems, Inc. (CSS) is seeking a highly skilled Senior Cloud Security Specialist (API) to support a critical data access management initiative within the Security Engineering team supporting our client. This role is ideal for a hands-on security expert with deep experience in cloud platforms and secure REST API integrations, who can design, build, and implement resilient, secure connections across complex cloud environments.
The selected candidate will play a key role in strengthening enterprise security by developing and integrating modern, scalable solutions that support identity, access, and data protection across cloud, on-premise, and hybrid systems. This position requires both technical depth and strategic insight, working closely with engineering teams, architects, and stakeholders to deliver secure, high-performing integrations that align with federal cybersecurity standards.
Responsibilities
- Provide technical expertise and support to customers, IT management, and staff in cloud security threat risk assessments, development, testing, and the implementation and operation of appropriate information security plans, procedures, and controls techniques designed to prevent, minimize, or quickly recover from cyber-attacks or other serious cloud events.
- Develop and maintain security architecture artifacts (e.g., models, templates, standards, and procedures) that can be used to leverage security capabilities in projects and operations.
- API integration architecture document detailing the integrations between the cloud
systems.
- Data model and attribute mapping across cloud systems.
- Automation scripts and orchestration (serverless functions, scheduled jobs, event
handlers).
- Build resilient, secure API integrations between cloud applications in support of an end-to--
end data access management solution.
- Comprehensive testing and documentation of cloud integrations.
- Support data loss prevention and cloud access security broker cloud initiatives.
- Work across multiple teams as a Cloud Security Engineer SME to support security
design, build, implementation, and monitoring of cloud platforms, applications, and tools.
- Offer technical consultation to cloud engineering teams on secure implementations.
- Create or update security configuration guides and playbooks.
- Serves as a cloud security expert, integrating sound practices from Identity and Access management, monitoring, platform standards, network segmentation and interconnection, encryption, and more into the cloud platforms.
- Work with Enterprise Architects, other functional area architects, and security specialists to ensure adequate security solutions.
Required Qualifications
- Minimum of six (6) years' experience in cybersecurity, including cloud security, compliance, and risk management, with a background in system and network security engineering.
- Minimum of six (6) years’ experience on any Cloud Platform (AWS, Azure, Google, others).
- Minimum of five (5) years of experience in information security or related IT experience.
- Extensive REST API experience, specifically in implementing, securing, automating, testing, and documenting API integrations.
- Strong understanding of resilient integration patterns, including error handling,
retry mechanisms, and monitoring strategies.
- Proficient in scripting and automation languages for security orchestration.
Knowledge, Skills & Abilities
- Broad knowledge of information systems such as Windows security, network security, systems development, communication networks, security software/hardware, and operating systems.
Certificates
- AWS Certified Security - Specialty (strongly preferred).
- AWS Certified Solutions Architect - Professional or Associate (strongly preferred).
- At least one of the following certifications preferred: CompTIA
Security+, Certificate of Cloud Security Knowledge (CCSK),
Professional Cloud Architect, Professional Cloud Security
Engineer, Certified Cloud Security Professional (CCSP), CISSP, CISM,
CISC, Certified Ethical Hacker (CEH).
Education
- Bachelor's degree in Information Security, Computer Science, Management of Information Systems, or related field required
Preferred Qualifications
- Prefer experience with integrations between ServiceNow, Collibra, and Saviynt
- Experience implementing cloud-native serverless architectures and services
- Experience in architecting and implementing security controls across public cloud platforms
- Experience implementing DevSecOps practices, including continuous
integration/deployment pipelines and infrastructure as code methodologies
- Experience implementing cloud access security broker (CASB) solutions for SaaS
application security and visibility
- Strong understanding of security concepts and technologies related to Identity and Access
Management (IAM), security engineering, network security design, security operations,
security architecture, general engineering processes, cloud security, data loss protection,
zero trust, DevSecOps, and vulnerability management.
- Demonstrated federal experience and comprehensive knowledge in adopting and
implementing federal cybersecurity requirements, including but not limited to the NIST
Cybersecurity Framework, OMB Memorandum M-22-09, NIST SP 800-53
- Possess deep analytical, problem-solving, and troubleshooting experience to independently resolve complex security challenges.
- Proven ability to provide technical security consultation and advisory services with a
proactive approach to identifying potential issues, raising questions, and engaging in
open dialogue with team members and stakeholders to ensure security objectives are met.
Compensation & Benefits[1][2]
- Wage Range: Negotiable
- 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
[1] Compensation range must be coordinated with and approved by the CSS Chief Operating Officer (COO).
[2] Compensation & Benefits information is required for all Maryland Employers effective October 1, 2024.
Skills Required
- Minimum six (6) years' experience in cybersecurity, including cloud security, compliance, and risk management
- Minimum six (6) years' experience on any Cloud Platform (AWS, Azure, Google, others)
- Minimum five (5) years' experience in information security or related IT experience
- Extensive REST API experience implementing, securing, automating, testing, and documenting API integrations
- Strong understanding of resilient integration patterns, error handling, retry mechanisms, and monitoring strategies
- Proficient in scripting and automation languages for security orchestration
- Broad knowledge of information systems (Windows security, network security, systems development, communication networks, security software/hardware, operating systems)
- Bachelor's degree in Information Security, Computer Science, Management of Information Systems, or related field
- AWS Certified Security - Specialty
- AWS Certified Solutions Architect - Professional or Associate
- One or more of: CompTIA Security+, CCSK, Professional Cloud Architect, Professional Cloud Security Engineer, CCSP, CISSP, CISM, CISC, CEH
- Experience with integrations between ServiceNow, Collibra, and Saviynt
- Experience implementing cloud-native serverless architectures and services
- Experience implementing DevSecOps practices, including CI/CD pipelines and Infrastructure as Code
- Experience implementing cloud access security broker (CASB) solutions and DLP initiatives
- Demonstrated federal experience and knowledge of NIST Cybersecurity Framework, OMB M-22-09, NIST SP 800-53
What We Do
Welcome To Custom Software Systems, Inc. About Custom Software Systems, Inc.: Headquartered in Leesburg, Virginia, Custom Software Systems, Inc. (CSS) is a certified Woman Owned Small Business (WOSB) and certified HUBZone 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 deliver on time and within budget and to meet or exceed our customers’ expectations. Core Expertise: CSS specializes in developing and implementing Custom Software Solutions and Support Services which deliver high value to our customers. Our skilled team of consultants helps our clients/partners integrate technology that fits their business needs. We provide our clients with a full array of services, including: - Project Management & Oversight (PMP certified Project Managers) - Database and Data Management (Certified DBA’s) - Data Architecture (DAMA and TDWI member) - Middleware Support (Oracle Fusion Middleware) - Application Lifecycle Management (ALM) - Oracle Fusion Middleware Support - Business Intelligence Support (WebFOCUS, Business Objects, Tableau) - Full Lifecycle Application Development (Agile, RUP, Waterfall) - Identity Management - Operations and Maintenance Core Values: CSS was founded on a set of guiding principles that include good old fashioned hard work, ethics, teamwork, and innovation. We establish relationships with our customers that are based on direct and honest communication and perseverance to get the job done which in turn fosters respect and trust. We expect our associates, at every level, to conduct themselves with integrity, honesty and strong ethics in all relationships with customers and employees.
