Lead Systems Engineer/Integrator (Top Secret)
ICF International
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Washington, DC · Posted October 30, 2026
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Where Washington, DC ranks
Where Washington, DC placed in our monthly rankings, month by month. Each month stays online at its own address.
November 2026
- #1Cities hosting the most business conferences in the Mid-Atlantic104 conferences · of 12
- #1Cities hosting the most government & public sector conferences18 conferences · of 29
- #1Cities hosting the most accounting & audit conferences8 conferences · of 14
- #1Cities hosting the most finance conferences9 conferences · of 24
- #1Cities hosting the most legal conferences10 conferences · of 10
- #2Best cities for sales pay after cost of living$169k · of 45
Rankings about engineering jobs
- Best cities for software and engineering jobs #1 San Francisco (3,412 openings)
- Best cities for engineering pay after cost of living #1 San Mateo ($216k)
- Most requested AI skills in engineering jobs #1 AI tools in daily work (6.1%)
- AI tools named most often in engineering jobs #1 Claude (1.7%)
- Employers with the most engineering jobs #1 Amazon (2,992 roles)
How AI is used in this kind of work
Among computer systems analysts, AI is already used for some of the tasks. Measured exposure for computer systems analysts: 28% (some).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
ICF International has filed one layoff notice in the last twelve months, covering 82 workers, most recently October 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
Description
About this Role
In this role, you’ll lead TS-cleared systems engineering directing technical development across subdomains, tools and components, manages change, risk and issues across the lifecycle, and guides QA.
What You’ll Do:
Manage technical development and support of gov subdomains, systems, tools and components
Oversee web development across the lifecycle, including change, risk and issue management; guide QA
Lead systems administration, security support and configuration management.
Lead mobile app development and release, including app store updates.
Support the technical lead on other contract projects.
Work with less experienced engineers to level up their skills
Work directly with stakeholders and team members to set and manage expectations throughout the life of the project
Operate within an agile development process
Coordinate and train users on specific custom-built software packages.
Use sophisticated tools to retrain artificial intelligence to make sense of social media data and generate effective sentiment analysis insights relevant to the clients mission.
Develop, test, update, and launch all public-facing mobile applications (apps), including Apple Watch apps, in concert with customers/clients.
Identify and implement bug fixes on all apps.
Routinely beta tests new iOS and Android major operating system updates to determine any compatibility issues with current mobile apps and to discover new features to incorporate into future app updates.
Identify and implement app store updates for the program as a whole to keep up with the latest policies and trends.
Develop technical templates for apps and other products based on designs created by visual information specialists.
Manipulate Unified Crime Reporting data and tables so that they display properly on gov.
Conduct UI/UX audits on products and pages.
Build sophisticated web forms for operational and business needs.
Provide guidance on government policies regarding technical matters.
Leverage specialized technical knowledge to support the team on all aspects of the content management system as well as all systems, tools, and properties within the gov environment.
Support the technical lead with other projects under this contract.
Requirements:
US Citizenship
An active Top Secret security clearance
Ability to work out of facilities in Washington, DC
High school diploma plus relevant certifications
8+ years of experience delivering resilient, well-tested, consumer-facing enterprise web applications and large public websites
5+ years of cloud and web development experience, including working within public and private virtual cloud environments and developing responsive, public-facing websites.
5+ years of application development experience using Python, TAL, AJAX, JavaScript, XML, HTML5, and/or CSS3, including manipulating data and tables to optimize web display.
5+ years of experience with web platforms and databases, including Plone, Zope, Drupal, WordPress, PostgreSQL, or other modern RDBMS technologies.
5+ years of experience with Section 508 accessibility, web security best practices, and applicable federal mandates and regulations for public-facing websites.
5+ years of mobile application development and maintenance experience, including developing, testing, updating, and launching iOS, Android, and Apple Watch applications; implementing bug fixes; conducting OS beta and compatibility testing; and managing app store updates, policies, and emerging features.
Preferred:
BA, BS, or other advanced degree in related field
Government cloud experience
Django and API development experience
FBI experience
Experience working within a government cloud environment
Experience working with NGINX, Varnish, or Apache reverse proxy servers
***Please note this role is contingent.
#Indeed
Working at ICF ICF is a global advisory and technology services provider, but we’re not your typical consultants. We combine unmatched expertise with cutting-edge technology to help clients solve their most complex challenges, navigate change, and shape the future.
We can only solve the world's toughest challenges by building a workplace that allows everyone to thrive. We are an equal opportunity employer. Together, our employees are empowered to share their expertise and collaborate with others to achieve personal and professional goals. For more information, please read our EEO policy.
We will consider for employment qualified applicants with arrest and conviction records.
Reasonable Accommodations
Reasonable Accommodations are available, including, but not limited to, for disabled veterans, individuals with disabilities, and individuals with sincerely held religious beliefs, in all phases of the application and employment process. To request an accommodation, please email Candidateaccommodation@icf.com and we will be happy to assist. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations.
Read more about workplace discrimination rights or our benefit offerings which are included in the Transparency in (Benefits) Coverage Act.
Bot and Third-Party Applications
Please note that this application must be submitted directly by the applicant for consideration. Failure to do so may result in the application being excluded for consideration . Applicants needing an accommodation for disability or religious purposes in connection with the application process should contact Candidateaccommodation@icf.com for assistance.
Candidate AI Usage Policy
At ICF, we are committed to ensuring a fair interview process for all candidates based on their own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) tools to generate or assist with responses during interviews (whether in-person or virtual) is not permitted. This policy is in place to maintain the integrity and authenticity of the interview process.
However, we understand that some candidates may require accommodation that involves the use of AI. If such an accommodation is needed, candidates are instructed to contact us in advance at candidateaccommodation@icf.com . We are dedicated to providing the necessary support to ensure that all candidates have an equal opportunity to succeed.
Pay Range
There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position.
The pay range for this position based on full-time employment is: $158,132.00 - $268,824.00
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