
Custom Software Systems, Inc. (CSS) is seeking a highly experienced Senior Cloud Security Specialist (AWS) to support the Security Engineering team within our client’s IT division. This team is responsible for the strategy, design, implementation, and continuous improvement of security solutions across cloud, on-premise, and hybrid environments.
This role is ideal for a hands-on cloud security expert with deep experience in AWS security, compliance frameworks, and secure architecture design. The selected candidate will play a critical role in assessing and strengthening cloud security posture, ensuring alignment with federal cybersecurity standards, and enabling engineering teams to build secure, scalable solutions. You will work closely with architects, engineers, and stakeholders to identify risks, implement controls, and drive security best practices across the enterprise.
Responsibilities
Citizenship
· US Citizenship
Required Qualifications
Knowledge, Skills & Abilities
Certificates
Education
Compensation & Benefits [1][2]
[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.

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.