---
title: 'Information Systems Security Officer at Excelity'
canonical: 'https://feeny.ai/job/information-systems-security-officer-excelity-reston-sv607damd8e0'
type: 'job'
last_seen: '2026-09-08'
---

# Information Systems Security Officer at Excelity

- **Company:** Excelity
- **Location:** Reston, VA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-06-10
- **Last confirmed live:** 2026-09-08
- **Apply:** https://jobs.gem.com/excelity-careers/am9icG9zdDr031lR-PUVc3NdNW1MIqT3

## Job description

At Excelity, we're passionate about delivering innovative technology solutions that help businesses thrive. Whether you're looking to streamline your operations, improve efficiency, or enhance customer engagement, our team of experienced professionals is here to help. So why wait? Visit excelity.io today to learn more about how we can help you achieve your goals and take your business to the next level.

Excelity is seeking an ISSO for a project in charge of providing comprehensive engineering, operations support services, and tech refresh services worldwide for the Enterprise IT Infrastructure (EII) to advance DoD Intelligence Information Systems (DoDIIS) Enterprise capabilities and functions.

*This position is contingent upon contract being awarded*

Required Clearance: TS/SCI with CI Poly

Job Responsibilities:

- Responsible for cybersecurity elements of Engineering and Operations network solutions and strategic adherence to all aspects of the Information Assurance (IA) program as stipulated by various U.S. Government requirements including but not limited to): Director of Central Intelligence Directives (DCID), IC Directive (ICD) 503 and associated NIST publications.
- Preparation of Assessment and Authorization (A&A) documents and procedures.
- Interface with other IA team members, other security disciplines (industrial security, physical security, special programs security, etc.), program personnel, and Government security representatives. -

Required Qualifications:

- 8 years of relevant experience and a Bachelor’s degree appliable to the position from an accredited college or university is required. A Master’s degree relevant to the position may be substituted for two (2) years of additional experience. Four (4) years of additional ISSO experience may be substituted for a bachelor’s degree.
- A track record of progressively responsible information assurance experience in ICD 503 certification and accreditation.
- ISSE/ISSO shall be compliant with DoD 8140 and any other certification/training required by DoD for role.
- Must maintain required technical and security training relative to cybersecurity duties, in accordance with DoD instruction 8510.01, Risk Management Framework for DoD Systems, NIST Special Publication 800-53, Recommended Security Controls for Federal Information Systems and Organizations and DoD Directive 8570.01-M, IA Workforce Improvement Program.
- ISSE/ISSO must have certifications and/or comprehensive hands-on technical experience in the technology area(s) of their assigned system(s) in order to effectively carry out their duties.
- Familiarization with NIST Special Publication 800-37 Revision 1, Guide for Applying the Risk Management Framework to Federal Information Systems‟, Committee on National Security Systems Instructions (CNSSI) 1253, and NIST SP 800-53 Revisions 3 and 4, SP800-39, SP 800-30. Benefits:
- Competitive salary
- Flexible work schedule
- 100% Health, Dental, Vision, and Life Insurance plans with Flexible Spending Account (FSA)
- Long and Short-term disability coverage
- Generous paid vacation and holiday time
- Safe Harbor 401(k) Retirement Plan with 6% Employer matching contributions
- Reimbursement for professional and training development
- Company-paid memberships to professional organizations

## About Excelity

## Company Overview
- **One-liner**: Excelity is a small business IT services provider that delivers Agile engineering, enterprise transformation, and data visualization solutions to the U.S. federal government.
- **Entity Type**: Private (bootstrapped – no external funding disclosed)
- **Headquarters**: Warrenton, Virginia, USA
- **Founded**: 2019
- **Founders**: Jason Dever (CEO & Leadership)

## Core Business
- Primary industry: IT Services & Government Contracting
- Target customers: U.S. federal government agencies (B2G)
- Mission or purpose: “Solve the government’s most systemic challenges by applying rigorous approaches to understanding the customer base in order to implement the right IT solutions and advance agency missions.”

## Products & Services
- **Enterprise Transformation**: Modernizing legacy systems using new technologies across the organization.
- **Agile Engineering**: Rapid, iterative development with Agile processes to deliver on time and within budget.
- **Capability Pilots**: Business case and mission analysis to run scalable pilots before full deployment.
- **User Experience (UX)**: Improving information delivery and resource access to enhance user adoption.
- **Infrastructure Engineering**: Planning, deploying, and managing cost-effective, scalable, and secure cloud, on-premise, and hybrid architectures.
- **Data Visualization**: Transforming raw data into actionable insights using modern tools.
- **Solution Governance**: End-to-end business and technical management to optimize solutions.

## Market Standing
- **Valuation/Market Cap**: Not disclosed (private)
- **Key Metric**: Total employees ~31 (per Built In); listed as “Small (25–49)” by Inc.
- **Notable Investors/Partners**: None publicly listed – operates as a government contractor with trusted partnerships.
- **Growth Signals**: Recognized as a 2026 Inc. Best Workplace for fostering work-life balance through remote work, wellness benefits, and training resources. Named an “Established Excellence” company (5–14 years in business) by Inc. for the Mid-Atlantic Region.

## Competitive Advantages
- Deep focus on federal government IT challenges, providing senior and thought leadership in Agile development.
- Strong emphasis on building trusted partnerships across customer organizations, from leadership to end-users.
- Modular, agile approach that adapts to changing mission priorities – enabling rapid delivery without sacrificing enterprise stability.
- Small, empowered teams that encourage creativity and innovation, directly tied to delivery outcomes.

## Strategic Focus
- Continue serving U.S. government agencies by applying rigorous customer understanding to implement effective IT solutions.
- Expand capabilities in enterprise transformation, cloud/hybrid infrastructure, and data visualization.
- Maintain a culture that attracts top talent through remote work, wellness support, and continuous learning.

## Why Work Here
- Named an **Inc. Best Workplace (2026)**, highlighting work-life balance, remote work, wellness benefits, and training resources.
- Fully remote-friendly with an on-site office in Herndon, Virginia (employees work from physical offices but typical time on-site is none).
- Small company culture (~31 employees) that empowers team members to be creative, innovative, and grow professionally.
- Focus on federal contracting provides meaningful, mission-driven work.
- Career opportunities visible on the Gem careers page; roles include Software Engineer and Scrum Master.

## Sources
1. [excelity.io](https://excelity.io/)
2. [excelity.io/who-we-are](https://excelity.io/who-we-are/)
3. [inc.com](https://www.inc.com/profile/excelity)
4. [builtin.com](https://builtin.com/company/excelity)
5. [jobs.gem.com](https://jobs.gem.com/excelity-careers)

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