Six Figure Work

Lead Systems Engineer/Integrator (Top Secret)

Icf

Company websiteicf.com (Icf, opens in new tab)

Base salary $158,132  to $268,824

Employer-published annual base salary, USD. Advertised base range in Washington, DC

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  • LocationWashington, DC
  • WorkplaceWorkplace not stated
  • Status at last checkSource accepting applications when checked
  • Last checked (11 min ago) · observed since

About this job

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 [email protected] 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 [email protected] 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 [email protected]. 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 - $268,824.00DC Client Office (DC88)

Source: Icf on Workday · View original posting (opens in new tab)

Pay in context

This role's base floor ($158,132) is above 52% of the 117 Software Engineering roles in Washington, DC listed on this site. Their median floor is $147,000; the middle half runs from $132,000 to $191,000.

Only jobs on this site count, and each one publishes a base salary of $100,000 or more, so this compares six-figure jobs with each other, not with the whole market. Computed Nov 7, 2026.

This range next to 6 other live Icf roles with the nearest advertised base floor
Chart as a table
This range next to 6 other live Icf roles with the nearest advertised base floor
RolePublished base
Lead Systems Engineer/Integrator (Top Secret) (this listing)$158,132 - $268,824
Housing Implementation Sector Lead$158,819 - $269,993
Director/ Senior Director Power Markets$174,701 - $296,992
Associate Director, Energy Consulting$144,381 - $245,448
Senior Salesforce Practice Architect (Remote - US)$144,381 - $245,448
Senior Cloud Architect - Remote$144,381 - $245,448
Project Lead - Cybersecurity (Future Opportunity, Clearance Required)$143,756 - $244,385

Same $100K to $400K scale as every card. All Icf roles · How to read the bar

Observed changes

  1. First observed on the employer's board
  2. Began meeting the published-salary criteria
Observed since
Employer-stated posting date
2026-10-30
Where this pay comes from

Location as the employer wrote it: Washington, DC

$158,132.00 - $268,824.00

Method
Employer text, read with fixed rules and re-verified
Checked
Rule set
us-base-v2

The pay passage appears in the employer's own job text. Fixed, deterministic rules located it, and the passage below was checked against the stored copy of the posting.

What we verified

  • The pay figures come from the employer's own listing, quoted exactly above.
  • The pay is an annual base salary in US dollars with a minimum of at least $100,000.
  • The role was publicly listed on the employer's job board when last checked.

We do not verify what the employer will actually offer, whether the employer is still recruiting for the role, or anything beyond what the employer published. Full methodology.