Full-Time

Security Specialist I

Posted on 8/17/2026

Nooks

Nooks

51-200 employees

Platform enabling classified government–private collaboration

Compensation Overview

$55k - $85k/yr

+ Yearly bonus + Equity options

No H1B Sponsorship

Arlington County, Arlington, VA, USA

In Person

Onsite daily; availability as a first responder to after-hours alarm activations is required.

US Top Secret Clearance Required

Category
Security & Protective Services
Required Skills
Incident Response
SAP Products

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Requirements
  • 0–2 years of experience in security, military, law enforcement, or a related operational field.
  • Foundational understanding of, or strong willingness to learn, the doctrine governing Collateral areas, Sensitive Compartmented Information Facilities, and Special Access Program Facilities.
  • Comfort working onsite daily and being available as a first responder to after-hours alarm activations.
  • Strong communication skills for client onboarding briefings and day-to-day security questions and inquiries.
  • Administrative rigor and attention to detail when reviewing DD254s, conducting walkthroughs, and checking eligibility and access in systems of record.
  • Ability to obtain and maintain a U.S. Government security clearance as a condition of employment.
  • Authorization to work in the United States.
Responsibilities
  • Serve as the first line of defense for client security questions and concerns, triaging issues on the spot and escalating situations to the Security Manager when necessary.
  • Deliver onboarding briefings to new clients, explain Nooks procedures, and answer questions so clients can work in the spaces from day one.
  • Process and verify clearance eligibility and access for clients, partners, and visitors, and provision badges and access credentials.
  • Prepare rooms ahead of client use, sanitize and check them afterward, and respond first to after-hours alarm activations.
  • Review DD254s to understand, implement, and enforce each client’s specific security requirements within the facilities.
  • Assist with security reviews and inspections that maintain site compliance with NISPOM, SCI, and SAP requirements.
  • Support incident response by executing actions directed by the Security Manager and building toward independent response capability.
  • Serve as an alternate COMSEC Custodian by managing inventories, intaking and keying controlled cryptographic items, completing SF-153s, and liaising with government COMSEC Managers.
  • Work cross-functionally with IT, Cyber, Product, and the People Team to keep site operations running for clients and programs.
  • Execute the approved Construction Security Plan for active secure builds by monitoring access, verifying visitor authorization, and ensuring compliance with site security procedures.
  • Conduct secure construction-site walkthroughs and inspections with the Security Manager, identifying and reporting deviations or discrepancies from the Construction Security Plan.
  • Attend construction meetings, inform the Security Manager of site-specific progress, and document conditions through photos as the build progresses.
Desired Qualifications
  • Recent experience working in classified environments.
  • Familiarity with secure construction projects and site walkthroughs.

Nooks offers a platform-as-a-service that enables government agencies and private defense/space firms to collaborate on classified projects. It accelerates tech adoption in national security by handling facility clearance sponsorship and personnel clearances, simplifying compliance and onboarding. The platform provides secure workflows and vendor-access controls, expanding options for vendors while managing the complexities of clearance processes. Its veteran-led team focuses on moving faster, reducing costs, and letting clients concentrate on their core work within the government–private sector ecosystem.

Company Size

51-200

Company Stage

Series A

Total Funding

$32.7M

Headquarters

San Francisco, California

Founded

2021

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Simplify Jobs

Simplify's Take

What believers are saying

  • The June 9, 2025 $25M Series A funds expansion into Colorado Springs and Arlington.
  • Defense customers value faster classified access; Nooks' 2026 awards validate urgent market demand.
  • Updated July 2026 site activity and leadership changes suggest active scaling, not retrenchment.

What critics are saying

  • Federal contract dependence makes a WHS protest or award delay immediately painful in 2026.
  • Cisco, Microsoft, and incumbent SCIF landlords can undercut Nooks on security procurement and scale.
  • A missed clearance, facility-accreditation, or cybersecurity failure would destroy trust and stop revenue.

What makes Nooks unique

  • Nooks sells classified-infrastructure-as-a-service, not just software, with subscription access to secure workspaces.
  • Lockheed Martin, SAIC, and Zigg Capital backed the $25M Series A on June 9, 2025.
  • Nooks won MDA SHIELD IDIQ and a WHS SBIR Phase III contract in 2026.

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Benefits

Stock Options

Company Equity

Growth & Insights and Company News

Headcount

6 month growth

8%

1 year growth

6%

2 year growth

0%
FinSMEs
Jun 9th, 2025
Nooks Closes $25M Series A Funding

Nooks, a Crystal City, VA-based classified-infrastructure-as-a-service (CIaaS) model company for workspaces, raised $25M in Series A funding.

Nooks
Jun 9th, 2025
Nooks Closes $25M Series A Funding Round with Unmatched Team of Industry Leaders

Nooks raises $25M Series A to expand its subscription-access classified workspaces. Backed by Zigg Capital, Upper90, SAIC, and Lockheed Martin, Nooks is redefining access to secure, flexible classified workspaces for government and defense.

MB News
Jun 9th, 2025
Nooks Raises $25M in Series A Funding

Nooks has closed a $25M Series A funding round, partnering with Zigg Capital, Upper90, SAIC, and Lockheed Martin. The funding will enhance Nooks' Classified-Infrastructure-as-a-Service (CIaaS) model, aiming to improve secure collaboration for government and industry. The investment will support Nooks' growth in key markets and its integration of advanced technologies, with a focus on transforming classified infrastructure access.

Forbes
Aug 3rd, 2023
Small Companies Can’T Access Classified Work Without A Secure Space To Work In

A modular SCIF facility designed by Maryland-based builder, Modular Genius. Modular GeniusIf your small defense business has desirable technology that the government considers classified, you’ll need a secure workspace before you can secure government work. It’s a Catch-22 that Congress wants to alleviate.The 2024 National Defense Authorization Act includes language from both the House and Senate meant to open up existing classified work-spaces to small businesses.Building or gaining access to a government-approved secure workspace is a costly burden that adds to the already thorny problems defense startups face in getting security clearances for their employees and in getting their companies as a whole “covered” or cleared to work on classified projects.Such hurdles curb or prevent innovative, potentially war-winning technologies and ideas from being embraced and applied by the Pentagon says Andrew “Scar” Van Timmeren, vice president of government solutions for Blue Force Technologies, a small North Carolina-based business which recently secured a contract to build prototype unmanned adversary training aircraft for the Air Force.A former USAF F-22 pilot, Van Timmeren has seen the problem surface repeatedly among the cohort of defense startups traveling in the same circles as Blue Force, shutting them out of potentially meaningful contracts and contributions to national security.“It’s remarkably easy for continued contracts to go to incumbents within the cleared [classified] space because of the time and effort it takes to increase the number of new businesses that have access to cleared [workspace].”Van Timmeren cites an example wherein defense program managers are evaluating candidates to perform radar cross section survivability analysis of an aircraft. There’s already a cleared company with its own approved secure workspace. Another new firm may want to enter into that mix. But for DoD, “the easy button is to just go to the incumbent which may not be a small business.”Setting up a secure workspace isn’t easy

Intelligence360 News
Jul 19th, 2022
San Francisco California based Nooks is raising $5,000,000.00 in New Equity Investment.

San Francisco, CA - According to filings with the U.S. Securities and Exchange Commission, Nooks is raising $5,000,000.00 in new funding. Sources indicate as part of senior management Chief Executive Officer, Sean Blackman played a