Cybersecurity Architect, (TS/SCI), CI Poly

<div class="content-intro"><p class="p1">K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by <a href="https://www.forbes.com/sites/aliciapark/2025/12/11/this-startup-is-building-huge-satellites-for-an-underused-interstellar-sweet-spot/?ctpv=searchpage">$450M</a> from leading investors including Altimeter Capital, Redpoint Ventures, T. Rowe Price, Lightspeed Venture Partners, Alpine Space Ventures, and others <span class="s1">– </span>with an additional $500M in signed contracts across commercial and US government customers – we’re mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space.<span class="Apple-converted-space"> </span></p>
<p class="p1">The rise of heavy-lift launch vehicles is shifting the industry from an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today’s and tomorrow’s massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits.<span class="Apple-converted-space"> </span></p>
<p class="p1">With multiple launches planned through 2026 and 2027, we're Building Bigger to develop the solar system and become a Kardashev Type II (K2) civilization. <span class="TextRun SCXW79998266 BCX0" lang="EN-US" data-contrast="auto"><span class="NormalTextRun SCXW79998266 BCX0">If you are a motivated individual who thrives in a fast-paced environment and </span><span class="NormalTextRun SCXW79998266 BCX0">you're</span><span class="NormalTextRun SCXW79998266 BCX0"> excited about contributing to the success of a groundbreaking Series C</span><span class="NormalTextRun SCXW79998266 BCX0"> space startup, </span><span class="NormalTextRun SCXW79998266 BCX0">we’d</span><span class="NormalTextRun SCXW79998266 BCX0"> love for you to apply.</span></span><span class="EOP SCXW79998266 BCX0" data-ccp-props="{"335559738":240,"335559739":240}"> </span></p></div><p><strong><span data-contrast="auto">The Role:</span></strong><span data-contrast="auto"> </span><span data-ccp-props="{}"> </span></p>
<p><span data-contrast="auto">We are seeking an experienced Cybersecurity Architect to support classified programs in direct service to the Department of Defense (DoD) and Intelligence Community (IC). In this role, you will design, develop, and implement comprehensive security architectures for unclassified, CUI and classified information systems operating within K2 Space environments. You will serve as a trusted technical authority, shaping enterprise security strategy, guiding risk management decisions, and ensuring compliance with applicable government cybersecurity frameworks and directives.</span><span data-ccp-props="{}"> </span></p>
<p><strong><span data-contrast="auto">Responsibilities</span></strong><span data-contrast="auto"> </span><span data-ccp-props="{}"> </span></p>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Architect end-to-end cybersecurity solutions for systems across K2 Space, DoD and IC environments, ensuring alignment with mission requirements and compliance mandates.</span><span data-ccp-props="{}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto">Lead the design and support the accreditation of systems under the Risk Management Framework (RMF), including the preparation and review of System Security Plans (SSPs), Security Assessment Reports (SARs), and Plans of Action & Milestones (POA&Ms).</span><span data-ccp-props="{}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto">Define and enforce security architecture baselines, reference models, and standards across multi-domain and cross-domain environments.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto">Conduct threat modeling, vulnerability assessments, and security architecture reviews for new and existing classified systems and programs.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="5" data-aria-level="1"><span data-contrast="auto">Collaborate with program managers, system engineers, and government stakeholders to integrate security requirements into system development lifecycle (SDLC) processes.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="6" data-aria-level="1"><span data-contrast="auto">Evaluate emerging threats, technologies, and adversarial TTPs; recommend architectural countermeasures and mitigations.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="7" data-aria-level="1"><span data-contrast="auto">Support Cross Domain Solution (CDS) design, evaluation, and accreditation efforts in coordination with relevant approval authorities.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="8" data-aria-level="1"><span data-contrast="auto">Provide technical guidance on zero trust architecture (ZTA) implementation within classified environments.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="9" data-aria-level="1"><span data-contrast="auto">Develop and present security architecture documentation, briefings, and recommendations to senior leadership and others.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="44" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="10" data-aria-level="1"><span data-contrast="auto">Mentor junior security team members and serve as a subject matter expert (SME) on classified cybersecurity matters.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<p><span data-ccp-props="{"335559685":0}"> </span></p>
<p><strong><span data-contrast="auto">Qualifications</span></strong><span data-contrast="auto"> </span><span data-ccp-props="{}"> </span></p>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="45" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Active Top Secret / SCI (TS/SCI) security clearance with Counterintelligence (CI) Polygraph — must be in-scope and adjudicated prior to start.</span><span data-ccp-props="{}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="45" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto">8 or more years of cybersecurity experience directly supporting the Department of Defense, Intelligence Community, or other U.S. government national security programs.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="45" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto">Demonstrated expertise in cybersecurity architecture design for classified and sensitive government networks and information systems.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="45" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto">Deep familiarity with NIST SP 800-53, ICD 503, CNSSI 1253, DODI 8510.01 (RMF), and related DoD/IC cybersecurity policy frameworks.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="45" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="5" data-aria-level="1"><span data-contrast="auto">Experience designing or operating within multi-classification-level environments and managing cross-domain data transfer requirements.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="45" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="6" data-aria-level="1"><span data-contrast="auto">Proficiency in network security architecture, including segmentation, firewall policy, PKI/encryption, and intrusion detection/prevention.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="45" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="7" data-aria-level="1"><span data-contrast="auto">Strong understanding of endpoint security, identity and access management (IAM), and Privileged Access Management (PAM) in government environments.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="45" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="8" data-aria-level="1"><span data-contrast="auto">Proven ability to lead technical security architecture efforts and communicate findings to both technical and executive audiences.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<p><strong><span data-contrast="auto">Nice to Have</span></strong><span data-contrast="auto"> </span><span data-ccp-props="{}"> </span></p>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="46" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Experience with zero trust architecture (ZTA) implementation in accordance with DoD ZT Strategy and NIST SP 800-207.</span><span data-ccp-props="{}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="46" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto">Familiarity with NSA-approved cryptographic solutions and key management systems used in classified environments.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="46" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto">Experience supporting all levels of classified programs.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="46" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto">Background in cloud security architecture within classified environments (e.g., AWS C2S, Azure Government, or equivalent IL5/IL6 environments).</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="46" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"multilevel"}" data-aria-posinset="5" data-aria-level="1"><span data-contrast="auto">Experience with Cross Domain Solutions (CDS), data guards, and approval processes.</span><span data-ccp-props="{"134233117":false,"134233118":false,"201341983":0,"335551550":1,"335551620":1,"335559685":720,"335559737":0,"335559738":0,"335559739":160,"335559740":278,"335559991":360}"> </span></li>
</ul>
<ul>
<li data-leveltext="" data-font="Symbol" data-listid="46" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"",&a