Sierra Space Careers:

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.  

 

Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.  

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.

We are mission-driven, and together, we are an extraordinary team.

About the Role

The Principal Enterprise Architect ensures that developed or modified application components align with the business solution and enterprise architecture, meeting solution performance goals. This role involves undertaking detailed design work in accordance with the standards and guidelines of the overall enterprise architecture and developing high-level and functional design documents. The Principal Enterprise Architect will play a critical role in shaping the technology strategy and ensuring the successful implementation of software solutions.

The key responsibilities for this role include leading the design and implementation of TS/SCI systems while ensuring strict compliance with all security and regulatory standards. This involves developing and maintaining an enterprise architecture roadmap that aligns with mission objectives and integrates emerging technologies. The role requires close collaboration with senior leadership, government stakeholders, and cross-functional teams to define system requirements and architecture strategies. Additionally, it includes overseeing the integration of cloud platforms, microservices, and enterprise tools into classified environments, ensuring that all solutions meet rigorous security, scalability, and performance requirements. Serving as a subject matter expert (SME) for classified systems architecture, the role provides guidance on security frameworks such as RMF and ICD 503. It also emphasizes driving innovation by researching and incorporating emerging technologies into the enterprise architecture. Lastly, the role includes mentoring and guiding junior architects and technical staff to promote a culture of excellence and continuous learning

About You

Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower – to join us in this critical mission.  

We’re looking for team members who align with our values, mission and goals – while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Minimum Qualifications:

• Requires a Bachelor's degree in a related field or equivalent work experience (Master’s degree preferred).

• 12+ years of related experience, including hands-on architecture for enterprise-level systems.

• In-depth knowledge of classified systems and TS/SCI environments, including security compliance standards (e.g., NIST, RMF, ICD 503).

• Proven ability to design and implement secure, scalable, and resilient software solutions.

• Demonstrated experience leading the end-to-end architecture of software systems, including system integration and lifecycle management.

• Strong understanding of enterprise IT infrastructure, including networks, storage, and virtualization.

Preferred Qualifications:

• Advanced degree in Computer Science, Information Technology, or a related field.

• Extensive experience with cloud computing platforms (e.g., AWS GovCloud, Azure Government, Google Cloud for Government).

• Expertise in microservices architecture and containerization technologies (e.g., Docker, Kubernetes) within secure environments.

• Proven track record of implementing enterprise integration patterns and tools in classified or highly regulated environments.

• Exceptional communication and interpersonal skills, with the ability to influence and engage stakeholders at all levels, including government agencies.

• Demonstrated ability to work in a fast-paced, dynamic environment while managing multiple high-priority initiatives.

• Certification in enterprise architecture frameworks (e.g., TOGAF, DoDAF, or equivalent).

• Experience leading la