Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Software Engineer Expert

Cornerstone Defense

  • Location: Herndon, Virginia
  • Type: Contract
  • Job #3956

Title: Software Engineer Expert
Location: Herndon, VA

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *

Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation's toughest and most secure problems. If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don't look any further than Cornerstone Defense.



Benefits Overview :
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *


Required Education, Experience, & Skills:
We are actively seeking Systems Engineers to perform as a Splunk Cloud engineer with a minimum of 11 years' experience. Information Technology or Engineer Bachelor's or Master's Degrees are preferred. Specific skills should include the following:
• Experience integrating diverse data streams
• Experience with data transfer tools (Ex: NiFi, Cribl, etc)
• Establishes data standards and acts as custodian of IT and service delivery data sets and streams
• Experience in analyzing complex networks and systems
• Experience in analyzing log data from various network components and operating systems
• Knowledge of complex environments involving shared networks and multiple security enclaves
• Systems Engineer with Data Engineer background
• Ability to manage and troubleshoot data feeds
• Splunk familiarization
• Python
• Required Qualifications
• Experience: 6+ years working with Splunk or Splunk Certifications, with at least 3 years on Splunk Cloud or large Splunk Enterprise deployments.
• Technical Skills: Expert SPL, knowledge of Splunk apps (Enterprise Security, ITSI, DB Connect), forwarder architectures, indexer/search head concepts.
• Cloud & Observability: Hands on experience onboarding data from AWS, Azure, and/or GCP; familiarity and observability tooling.
• Automation: Proficiency CloudFormation and experience integrating Splunk deployments into CI/CD.
• Scripting: Strong Python and Bash skills for automation, integrations, and ingestion pipelines.
• Security Knowledge: Understanding of logging best practices, log retention requirements, secure transport, and common compliance frameworks.
• Soft Skills: Strong troubleshooting, stakeholder communication, project leadership, and mentoring capability.
Preferred Education, Experience, & Skills:
• Splunk Certified Cloud Architect, Splunk Certified Admin, or Splunk Certified Power User.
• Cloud certifications (AWS/Azure/GCP).
• Experience with observability frameworks (OpenTelemetry), metrics pipelines, and metric-to-log correlation.
• Prior experience operating at enterprise scale (multi TB ingestion/day, global deployments).
• Proficiency with Terraform, Ansible, or similar IaC tools and experience integrating Splunk deployments into CI/CD.
Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Software Engineer Expert in Herndon, VA vacancy
  •  ...advancement Training & development Now Hiring: Experienced Software Developer Location: On-Site | Herndon, VA Company: Emergent...  ...Inc., a veteran-owned provider of advanced IT and engineering solutions, is seeking Experienced Software Developers to support... 
    Suggested
    Full time
    Immediate start
    Remote work

    Emergent Tech Inc

    Reston, VA
    4 days ago
  • $100k - $250k

     ...Job Description Job Description Task Force Talent is seeking Full Stack Software Engineers (all levels - Junior/Senior/Expert)(many openings) with an active TS/SCI FSP security clearance.  We have multiple clients, ranging in size from ~5 to ~2000 people, seeking... 
    Suggested
    Full time
    Contract work
    For contractors
    Work at office

    Task Force Talent

    Reston, VA
    24 days ago
  •  ...Job Title: Software Engineer - Subject Matter Expert (SME) Department: Operations/Services Reports To: RSekure Program Manager Location: Chantilly, VA Schedule: Monday - Friday Hours: Full-time, 40-hours/week Clearance Req: TS/SCI - Full-Scope... 
    Suggested
    Full time
    Work experience placement
    Work at office
    Monday to Friday

    RSEKURE

    Chantilly, Loudoun County, VA
    3 days ago
  •  ...Full Stack Front End Software Developer Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration...  ...solutions with 508 compliance in mind • BS/BA in Software Engineering, Science, Mathematics, or similar OR equivalent combination of... 
    Suggested

    Nightwing

    Sterling, VA
    5 days ago
  •  ...program. Bachelor's or Master's degree in Computer Science, Engineering, or related field Minimum 11 years of relevant experience...  ...Hands-on experience with AWS cloud services, DevOps tools, and software development methodologies Strong analytical and problem-... 
    Suggested
    Contract work

    Cornerstone Defense

    Herndon, VA
    5 days ago
  • $170k - $195k

     ...Expert Applications Developer Location US-VA-Herndon ID 2025-...  ...limited to) the following tasks: Develop software applications as web services using Java,...  ...experience, with an emphasis on leading engineering efforts across the application stack.... 
    Full time
    Temporary work
    Remote work
    Flexible hours

    Markon Solutions

    Herndon, VA
    1 day ago
  •  ...Applications Developer - Expert Summary: This is work within the multi-level Applications...  ...for developing and maintaining software applications and/or databases, including...  ...Computer Science, Information Systems, Engineering, Business, or a scientific or technical... 
    For contractors
    Work experience placement
    Immediate start

    Beyond SOF

    Herndon, VA
    15 days ago
  •  ...Position Overview: We are seeking a DevOps Engineer-IV to architect and oversee advanced DevOps strategies and frameworks. This expert-level role requires a proven ability to...  ...to integrate security practices into the software development lifecycle. • Design, implement... 

    Rapid Strategy

    Reston, VA
    8 days ago
  •  ...Software Systems Engineer - III/Cognos Expert America Networks is a leading sensor and networking solutions partner for companies in any Industrial, Manufacturing, and Waste management space. We design and manufacture sensors for storage tanks, water metering, energy... 

    America Networks

    Ashburn, VA
    5 days ago
  • $150k

     ...Job Description Job Description Senior Subject Matter Expert — Federal Contracting & Compliance Employment Type Full-Time, Exempt | W-2 Permanent Employee Location: New Braunfels, TX (Hybrid) with occasional travel Compensation $150,000 base plus performance... 
    Permanent employment
    Full time
    For contractors
    For subcontractor

    Essential Healthcare Solutions LLC

    Reston, VA
    22 days ago
  •  ...America is a place where you can learn, grow, and make a difference! Brief Role Description We are looking for a Contract Software Engineer I - Backend who is a solid Java developer, ready to execute independently, keep pace with team delivery, and grow fast. You... 
    Contract work

    Volkswagen

    Reston, VA
    4 days ago
  •  ...Job Title C++ Software Developer/Device Expert Location Ashburn, VA Job Description Work Schedule: Hybrid Location: Ashburn, VA (required) Travel Requirements: Weekly in-office presence in Ashburn, VA. Bi-monthly travel to the Washington, DC, area. Occasional... 
    Work at office
    Immediate start
    Flexible hours
    Weekend work
    Afternoon shift

    Novul Solutions

    Ashburn, VA
    5 days ago
  • $97.1k - $164k

     ...Research Computing Software Engineer We are seeking a Research Computing Software Engineer to join the Visualization and Decision Support Division (VDS) of the Applied Research Laboratory (ARL) at Penn State. You will work within classified research and development... 
    Full time
    Work experience placement

    Penn State University

    Reston, VA
    5 days ago
  •  ...Full Stack Software Engineer Job ID: 26-1101 Clearance: Minimum Secret clearance Location: Herndon, VA Who We Are : Since our...  ...proven solutions, award-winning technologies, and a team of expert problem solvers, Navitas has consistently empowered customers... 
    Work experience placement
    Local area

    Navitas

    Herndon, VA
    3 days ago
  • $137k - $228k

     ...Senior Full Stack Engineer Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate...  ...and Motion GEOINT systems. Build scalable, high-performance software across front-end, back-end, and data layers. Develop... 

    Maxar by Vantor

    Herndon, VA
    5 days ago
  • $125k - $140k

     ...Full-Stack Software Developer Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate...  ...to collaborate as part of a dynamic full technology stack engineering team working on a large-scale Government Geospatial... 

    Maxar by Vantor

    Herndon, VA
    1 day ago
  •  ...Full Stack Senior Software Engineer Job Category Information Technology Market Location VA - Northern Virginia Location VA - Reston Apply Now ( NVR, Inc. is seeking an experienced Full Stack Senior Software Engineer to work on site in Reston, VA. NVR’s... 

    NVR

    Reston, VA
    5 days ago
  • Expedition Technology (EXP) is seeking a Full Stack Software Engineer to join our Solis team in building the Training Data Storefront (TDS)-a mission-critical platform that enables the Department of Defense (DoD) and Intelligence Community (IC) to manage, share, and... 
    Flexible hours

    Expedition Technology

    Herndon, VA
    2 days ago
  •  ...MANTECH seeks a motivated, career and customer-oriented Full Stack Software Engineer to join our team. The Full Stack Software Engineer will leverage their strong technical background and knowledge to support the Sponsor's system accreditation efforts, to include... 
    Work at office
    Local area

    ManTech

    Herndon, VA
    2 days ago
  • $163.8k - $245.8k

     ...design, and research to solve real user challenges for Workday's highest-security US Federal customers. As a Senior Software Development Engineer in IDX, you will: Write and maintain robust, efficient, and testable code using top-tier languages, frameworks, and... 
    Work at office
    Remote work
    Home office
    Flexible hours

    Workday

    Reston, VA
    4 days ago
  •  ...Senior Front-End Software Engineer Cydecor is a premier Federal Government solutions provider, delivering differentiated innovations in mission systems and business platforms. We leverage leading-edge secure systems and software development, backed by industry-leading... 
    Temporary work
    Remote work

    Cydecor

    Reston, VA
    2 days ago
  •  ...DynamoDB, React Responsibilities of the role Collaborate on software projects with product design and technical teams Design and...  ...in a highly scaled environment Experience working on Agile engineering teams Experience in doing pair programming with fellow... 
    H1b

    Lenmar Consulting

    Reston, VA
    3 days ago
  • Expert Software Developer (Systems Software) Location: Chantilly, VA (on-site client environment) Clearance: TS/SCI with polygraph Compensation: Competitive, Excellent Benefits Only applicants with the active required security clearance and are U.S. Citizens will be... 
    Remote work

    HRB

    Mc Lean, VA
    1 day ago
  •  ...Full Stack Web Application Developer - Expert Nightwing provides technically advanced full-spectrum cyber, data operations, systems...  ..., data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility... 

    Nightwing

    Sterling, VA
    2 days ago
  •  .... The developer will use XML, JSON, or other customer standards for data transfer and metadata management. They will also develop software applications as web services, primarily using Java. They will also need to work with Node.js, Angular with TypeScript, Spring Boot... 
    Full time

    Arcadia Strategy Group LLC

    Chantilly, Loudoun County, VA
    3 days ago
  • $153.38k - $260.74k

     ...Location Full-time onsite Job Category Engineering & Technology Posted Date 06/12/2026...  ...BAE Systems is seeking a Subject Matter Expert (SME) level - Full Stack Java Spring Boot...  ...unit and integration tests to ensure software reliability Deployment & Operations:... 
    Full time

    VetJobs and Military Spouse Jobs

    Chantilly, Loudoun County, VA
    5 days ago
  •  ...Technologies is an employee-owned professional services firm providing program management, enterprise IT, cybersecurity, systems engineering, and supply chain management services to commercial and government customers. We offer industry-leading compensation and benefits... 

    Talent Acquisition Concepts

    Chantilly, Loudoun County, VA
    a month ago
  •  ...Job Description Job Description We are looking for a passionate Software Engineer to design, develop and improve our core data platform and the products we build on it. We primarily use Microsoft technology stack. Our ideal candidates are familiar with the software... 
    Work experience placement

    Technology Company

    Reston, VA
    3 days ago
  • $130k - $160k

    Tata Consultancy Services Limited is seeking a Mainframe Developer in McLean, Virginia with strong hands-on experience in COBOL and JCL job scheduling. The role involves designing, developing, and maintaining COBOL/JCL-based applications while supporting production releases...

    Tata Consultancy Services Limited

    Mc Lean, VA
    1 day ago
  •  ...Software Engineer Location - Herndon, VA The selected candidate will formulate/define specifications for complex operating software programming applications or modify/maintain complex existing applications using engineering releases and utilities from the manufacturer... 

    Cinteot Inc.

    Herndon, VA
    3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Software Engineer Expert. Be the first to apply!