Demo

Senior Cross Domain Solutions Engineer

Akumen, Inc.
Washington, DC Full Time
POSTED ON 4/25/2026
AVAILABLE BEFORE 10/21/2026
OVERVIEW:

Akumen Inc. is seeking a highly motivated Senior Cross-Domain System Engineer to support a critical program within the Department of State and join a fast-paced engineering team.

RESPONSIBILITIES:

Are you analytical and enjoy problem-solving? Do you want to design tools that will affect an entire organization? We are looking for a cleared Sr System Engineer who has a strong Linux development background and an understanding of the Microsoft technology stack. You will be responsible for application automation and development for a highly visible program used at the department-wide level.

The employee will work on-site, at a secure government location during normal business hours in Washington, DC as required by the customer.

  • This role will support the development of cross-domain solutions using a variety of frameworks and languages.
  • Participate in, and contribute to, the design and architecture process for cross-domain application architecture for the various cross-domain transfer applications
  • Perform Linux systems engineering duties such as developing demonstrable proof of concept implementations, integration, and testing across multiple platforms and applications.
  • Create methodological documentation for client requirements with the ability to translate it into the technical design
  • Liaise with engineering personnel familiar with existing product functions for potential integration into an application solution
  • Use existing web-based UI/UX frameworks to create new functionality while retaining a consistent look and feel
  • Database integration (LDAP, Postgres, etc.) and SQL query tailoring experience
  • Develop demonstrable proof-of-concept implementations of the cross-domain applications utilizing architectural design concepts and/or documents
  • Demonstrate proficiency with automated configuration management tools (Puppet, Ansible, Chef)
  • Utilize industry best practices for secure coding to produce applications that reduce attack risk and fail in a secure manner
  • In conjunction with the Certification and Accreditation (C&A) team, implement and provide support for a C&A procedure utilizing existing C&A plans and documentation
  • Implement a test procedure for the cross-domain application(s) utilizing existing documented test plans to ensure verification and validation of the product
  • Work with the customer and vendor to support field deployment and resolve issues
  • Showcase your ability to think through and resolve complex problems in a fast-paced dynamic environment is essential
  • Additionally, the ideal applicant will participate in technical design

QUALIFICATIONS:

  • BS degree in a relevant field or additional equivalent work experience
  • Must have a minimum of 6 years of professional experience in system engineering including Linux and Windows environments
  • Proficiency in software development with Java, ‘C’, Python, and bash shell
  • Must have experience with network application development on Linux (preferred) and/or Unix or Windows
  • Must have the ability to debug code modules and profile for performance
  • Superior technical documentation and communication skills
  • Proven record in successful relationship-building with users and stakeholders
  • Possess refined development practices, including documentation and use of source code management tools
  • Ability to build automated processes using well-known languages and frameworks such as PowerShell, CLI, python, YML, JSON, Puppet, Jenkins pipeline, Terraform, Azure Templates, Cloud Formation
  • Linux OS hardening skillS

Desired Qualifications:

  • Experience with virtualization platforms in an enterprise context
  • Knowledge of security protocols and fundamentals of secure OS
  • Understanding of cross-domain applications
  • Understanding of IP networking and remote desktop protocols
  • Hands-on experience using RedHat/Centos/Fedora and/or Ubuntu
  • Familiarity with cloud computing (Azure or AWS preferred)

CLEARANCE REQUIREMENT:

  • Must have and maintain an Active DOD Top Secret clearance.

Akumen, Inc. is an equal employment opportunity employer. All employment decisions are made based on qualifications, merit, and business needs, and without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by applicable federal, state, or local law. We are committed to a respectful and inclusive workplace where all individuals have the opportunity to succeed. Akumen, Inc. maintains a drug-free workplace consistent with applicable local, state, and federal laws.

Salary.com Estimation for Senior Cross Domain Solutions Engineer in Washington, DC
$125,865 to $157,879
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