Contract Vehicles

A positive and collaborative company culture is one of the top factors job seekers look for when selecting their next step in their career. Castalia fosters a culture that is equal, rewarding, transparent, and supportive. We support life-changing efforts that impact lives around the world for the better through providing analytical, engineering, and management solutions. We encourage autonomy, accountability and acknowledgement which increases performance, passion, and productivity. Castalia earns trust and confidence from both our

all correspondence:

GSA 8(a) STARS II (Prime)
Contract Details: Castalia STARS II CONTRACT
Contract Number: GS00Q17GWD2277
8(a) STARS II Website:
8(a) STARS II Brochure:
DUNS: 969037543
Constellations: Constellation I

Functional Areas:

● Functional Area 1 – NAICS 541511 – Custom Computer Programming Services
● Functional Area 2 – NAICS 541512 – Computer Systems Design Services
● Functional Area 3 – NAICS 541513 – Computer Facilities Management Services
● Functional Area 4 – NAICS 541519 – Other Computer Related Services


Overview: Castalia’s services are available under this pre-competed schedule, enabling $4M direct task orders, making procurement for the government fast and easy. GSA 8(a) STARS II is a General Services Administration (GSA) multiple-award, indefinite-delivery/indefinite quantity (IDIQ), Government-wide Acquisition Contract (GWAC) reserved solely for 8(a) certified small businesses. It is engineered to provide federal agencies cutting-edge information technology (IT) solutions from award-winning 8(a) small businesses like Castalia, prequalified by GSA to perform the work, and allows for long-term planning of large-scale program requirements. GSA 8(a) STARS II enables agencies to earn
not only 8(a), but multiple socioeconomic credits possessed by Castalia through an established contract vehicle instead of traditional, open market methods – saving substantial time and taxpayer money.

● $10 Billion Program Ceiling
● Task Ordering Out to August 2021 and Performance Out to 2024, Allowing for Long Term
● Planning of Large Scale Requirements
● Directed Task Orders Up to $4 Million Each
● Low ¾ of a percent (0.0075) applied to the total price/costs
● Multiple Contract Types (e.g., Fixed Price, Labor Hour, Time and Materials, Blended Types)
● Compliance with Section 843 of the National Defense Authorization Act (NDAA) of 2008 and Section 863 of NDAA 2009
● Complimentary Statement of Work Scope Compatibility Reviews by the Small Business GWAC Center
● Minimizes Protest Risk; No Protests on Orders Under $10M, Except on the Grounds That the Order Increases the Scope, Period, or Maximum          Value of the GWAC
● Permits Other Direct Costs When Integral and Necessary

GSA Multiple Award Schedule (MAS): Prime Contractor
Contract Number: 47QTCA20D00CL
GSA MAS Website:
DUNS: 969037543

Overview: Castalia’s broad range of IT professional services may be obtained through GSA Multiple Award Schedule (MAS), previously Schedule 70. This contracting vehicle provides rapid and cost-effective access to Castalia’s IT services and solutions which include database planning and design; IT project management; migration services; programming; systems analysis, design and implementation; conversion and implementation support; and migration services.

Contract Number: N0017819D7324
NAICS Code: 541330
Period of Performance: 5-year Base period with one 5-year option
● 2 Jan 2019 – 1 Jan 2024
● 2 Jan 2024 – 1 Jan 2029
● Task Order performance periods can be up to 5 years

Overview: The SeaPort Next Generation Contract (SeaPort NxG) provides for Engineering and Program Management Services that span the entire spectrum of mission areas and technical capabilities supported by the Department of the Navy (DON).

Functional Areas under Engineering Services:
● Engineering, System Engineering, and Safety and Process Engineering Support
● Software Engineering, Development, Programming, and Network Support
● In-Service Engineering, Fleet Introduction, Installation and Checkout and Provisioning Support
● Measurement Facilities, Range, and Instrumentation Support
● Interoperability, Test and Evaluation, Trials Support
● Research and Development Support
● Modeling, Simulation, Stimulation, and Analysis Support
● Prototyping, Pre-Production, Model-Making, and Fabrication Support
● System Design Documentation and Technical Data Support
● Reliability, Maintainability, and Availability (RM&A) Support
● Inactivation and Disposal Support
● Biochemical Engineering Support


Working at Castalia Systems is a rewarding and exciting opportunity. Explore the current and future opportunities of joining a growing business that puts its employees first.