ISSE - (Polygraph Required)

About the Team

Here at BTI360, we’ve built a culture that’s passionate about developing software engineers. Software doesn't build itself. People do.  In fact, teams of people do.  That's why our primary focus is on developing better craftsmen, better teammates, and better technical leaders.  By putting people first, we're not just giving our teammates more opportunities to grow, we're also raising the bar of the software we ship. BTI360 previously has been voted 10 years in a row as a TOP Place to Work by the Washington Business Journal. 

BTI360 is looking to add an ISSE to our team! As an ISSE at BTI360, you’ll play a mission-criticalrole ensuring our software systems meet security and compliance requirements. You will guide development teams through the A&A process from design through deployment.You’ll serve as a bridge between technical teams, security stakeholders, and accrediting authorities, helping all parties navigate requirements and deliver secure, mission-ready solutions.

What you will do in this role:

• Lead or support theAuthorization & Accreditation (A&A) process for multiple software systems 
• Interpret and applySponsor-specific security requirements, policies, and control frameworks (based on NIST and Sponsor overlays) 
• Collaborate with engineering teams earlyin the development lifecycle to design systems that meetsecurity, compliance, and mission needs 
• Prepare andmaintainsecurity documentation
• Guide teams through theaccreditation process, ensuring documentation and system posture align with Sponsor expectations 
• Interface directly withInformation SystemSecurity Managers (ISSMs), Authorizing Officials (AOs), and security stakeholders 
• Provide security engineering input onarchitecture, data flows, boundary protections, and cloud configurations 
• Champion secure development practices and influence teams to make thoughtful tradeoffs between risk, performance, and agility 
• Track security posture and coordinateongoing security monitoring, updates, and control implementation as systems evolve 
• Lead briefings/meetings with the Sponsor

Minimum Requirements to be Considered for this Role:

• Active TS/SCI with Polygraph required at time of application
• Proven experience supporting theAuthorization & Accreditation (A&A) of[Insert classification level]systems in the Sponsor environment 
• Deep understanding ofsecurity controls, risk assessments, and documentationrequired for ATO submissions 
• Strong collaboration skills and the ability to partner with software engineers, architects, and mission stakeholders 
• Familiarity with cloud security architectures and controls (AWS preferred)
• Excellent communication skills and comfort engaging with both technical and non-technical audiences 

You may excel in this role if you have the following skills:

• Experience accrediting systems athigher classification levels 
• Background insoftware engineering,DevSecOps, or IT systems engineering
• Familiarity withICD 503,RMF, andSponsor-specific overlays 
• Familiarity with Sponsor-specific tooling including Nessus, Rapid7,WebInspect,AppDetect, and/or Nipper 
• Experience withcontainerized deployments, Infrastructure-as-Code (IaC), or automated compliance tooling 
• Security certifications such asCISSP,CAP, orAWS Security Specialty 
• Experience with continuous ATO (cATO) processes,FedRamp, or otherrelevantcompliance pipelines  

BTI360 benefits for full-time teammates

• Fully paid healthcare premiums
• Competitive salaries and performance bonuses
• Career development and in-house training 
• Tuition Reimbursement 
• Up to 5 weeks PTO plus 2 weeks of federal holidays 
• 401K dollar for dollar matching up to 6% annually - vested immediately on day 1  
• Giving Back: Serving communities locally and across the globe
• Social Events (happy hours, golf tournament, BTI360 Family Festival and more)

Commitment to Fairness and Inclusion

At BTI360, we believe that unlocking the potential of others is not just a mission—it's the heart of our culture. We are committed to fostering an inclusive environment where every individual can grow each day, lead with humility, and do the right thing. Our core values guide us in developing software that makes a difference, primarily serving national security customers in the Washington, DC metropolitan area.

We are an Equal Opportunity Employer. We do not discriminate against any employee or applicant based on race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other legally protected characteristics. We celebrate fairness and are dedicated to creating an environment of mutual respect and inclusion where everyone can bring their true selves to work.

Join us in a workplace where your contributions are valued, your growth is encouraged, and your potential is unlocked. Together, we develop great software fast and deliver exceptional solutions for our customers.