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Software Engineer 3

RealmOne
parental leave, paid time off, 401(k)
United States, Maryland, Columbia
6950 Columbia Gateway Drive (Show on map)
Dec 16, 2025
Job Brief

Java, PKI, REST, Gitlab, Linux

Job Description

RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top-notch industry professionals.

We are searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high-performing team that truly makes a difference, then come join us!

Job Description:

  • Seeking a Senior Software Engineer to work with a team of developers to implement new JBlocks capabilities in order to support expanding data labeling requirements. The developer is expected to have experience with requirements elicitation and the ability to manage a single baseline to meet requirements across multiple domains. The developer should be able to define, manage, and deliver capabilities within an existing team. Experience in Java Development is required. The candidate will be expected to provide input throughout the software lifecycle.

The Level 3 Software Engineer shall possess the following capabilities:

  • Java Development Experience.
  • Familiarity with PKI and REST services.
  • Experience Performing Development in the Evo environment to include familiarity and use of tools in the environment (GreyBox etc.).
  • Use of Gitlab, CI/CD, build pipelines.
  • Linux experience.
  • Strong organization and time management skills, including the ability to multi-task and work independently with minimum supervision to meet deadlines.
  • Experience with engaging with leadership, customers, and interfacing teams.
  • The developer will introduce and incorporate software development best practices into the team's development process.
  • Collaborate with junior developers to improve their knowledge and experience with development best practices.
  • Interact with other developers, system engineers and users at an integrated functionality level.
  • Containerize existing software capabilities using Docker.
  • Review and test software components for adherence to the design requirements and documents test results.
  • Provide specific input to the software components of system design to include hardware/software trade-offs, software reuse, and requirements analysis and synthesis from the system level to individual software components.
  • Perform software life-cycle activities to ensure the highest level of system performance and availability and compliance with business requirements.
  • Administer, maintain, and implement policies and procedures for ensuring the security and integrity of the application.
  • Knowledge of EDH1/2, ISM, CAPCO and CUI standards.
  • Excellent oral and written communication skills- able to clearly communicate architecture and design concepts.
  • Ability to write technical documentation including wiki sites, blogs, XML/HTML.

Qualifications:

  • 8+ years of Software Engineering experience.
  • Bachelor's Degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines. An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 12 years.
  • 3 years of work experience in the SIGINT, IA, or IT domains

Position requires active Security Clearance with appropriate Polygraph

Pay Range: 180,000-240,000

The RealmOne pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Our approach to crafting offers considers various factors to establish an equitable and competitive compensation package. These considerations include, but are not limited to, the extent and intricacy of the role's responsibilities, the candidate's educational background, their work experience, and the specific competencies crucial for success in the role.

RealmOne Benefits:

  • Healthcare Coverage + Insurance: Medical: Three (3) rich healthcare options through CareFirst with 100% or majority company-paid premiums. Tax-advantaged health savings account available with generous employer contribution. Dental + Vision: 100% employer-paid for employees and family with buy-up option available.
  • Retirement + Savings: 401K - 10% TOTAL CONTRIBUTION - 5% safe harbor - 5% annual profit share. Immediate vested, no match required!
  • Paid Time Off + More: 4 weeks starting PTO - 11 federal holidays + 2 floating holidays - Paid hours for company-required training.
  • Career Growth + Development: Access to FREE 24/7 learning via Udemy - Opportunities to participate in tech councils, industry initiatives, etc. - $7,500 annual Educational & Professional Development Assistance.
  • MORE BENEFITS...FOR EVERY LIFESTYLE! - Paid parental leave - Adoption assistance - Annual swag drops - Flexible work schedules - -Generous referral bonus program - Employee appreciation + family-friendly corporate events ...and much more.

ABOUT US

  • RealmOne is a mid-sized science and technology company dedicated to solving our customers' toughest mission challenges.
  • Headquartered in Columbia, MD., RealmOne supplies advanced cybersecurity, data science and software engineering services and products to customers in the Government and commercial sectors.
  • RealmOne delivers encompassing mission assurance and critical systems support to government customers across various U.S. locations to include Colorado, Georgia, Hawaii, Texas, Utah, and Virginia.
  • RealmOne has earned numerous awards, including being named a Top Workplace by the Baltimore Sun. With more than 30+ active contracts, 12 of which are prime, RealmOne stands as a premier innovator supporting the Government and Department of Defense, with team members located nationwide.

Disclaimer: Benefits packages offered by RealmOne are subject to variation and may differ based on work location, clearance level, and other eligibility criteria. Specific eligibility, availability, and scope of benefits are not guaranteed, may differ from those generally described, and remain subject to modification at the sole discretion of the company.


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