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Senior Information Systems Security Officer with Security Clearance

Independent SoftwareAnnapolis Junction, MD🇺🇸United StatesPosted 14 Sept 2026

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
On Site
Location
Annapolis Junction, MD, United States
Posted
20 hours ago
Agile

Job Description

Who are we? Independent Software is a consulting, product, and solutions firm dedicated to the practical application of software and system engineering technologies to solve complex problems. We bring together world class engineers with proven engineering best practices, domain expertise, commercial technologies, and proven agile management approaches to create high value solutions aimed at helping our customers meet their most critical business and mission objectives. Why Independent Software? We are focused on continual learning and evolution.

We don’t do things because “that’s the way we’ve always done things”; we listen to our employees and adapt to the changing marketplace. We look at the big picture and encourage our engineers to get training and certifications in emerging technologies that will help shape our customer’s mission. We’ve been profitable year after year. We’re always on the lookout for great engineers to join the team and we recognize that our employees are the heart and soul of what we do. We focus on recruiting talented people, treating them right, and then allowing them to do what they do best. No red tape.

No micromanagement. Smart people want to work with smart people, and we love people who are passionate about what they do and finding ways to do it better. Top Reasons to Work at Independent Software:

  • Great people deserve even better benefits, from comprehensive healthcare coverage and generous leave time to discounts with all our vendors.
  • You are not just a job title. That's why we tip the work-life balance scale in your favor. It's not about being billable, it's about being valuable.
  • Whether you're working on-site or in our offices, your role at Independent Software is just as critical to our success as your coworker's.
  • We're constantly researching and implementing the latest technology, so you've always got the right tools at your disposal.
  • As we've grown, we've retained that small company feel. When we say we have an open-door policy, we actually mean it.
  • Independent Software is comprised of wonderfully generous folks. We believe in supporting the causes our employees care about. Bring us an opportunity to help and we'll listen.
  • Teamwork got us where we are today. Our collaborative environment allows you to maximize your true potential.
  • The work we do is exciting, critical stuff. No matter your role at Independent Software, you're helping us keep the nation safe and secure.
  • We have a history of great achievement, and, with each year, our company gets even bigger and better. As we grow, so does the opportunity for our employees.
  • We host a variety of fun employee and family events throughout the year to say thanks for all that you do to make Independent Software a technology leader as well as a phenomenal place to work.

Benefits

  • Competitive salary
  • Company Sponsored Health, Dental, and Vision Insurance plans
  • Company Paid Long Term Disability, Short Term Disability and Life Insurance
  • Employee Assistance Program
  • Your retirement plan is an important benefit you shouldn’t overlook. We offer a 401(k) Profit Sharing Plan and Trust that offers a powerful way to enhance your long-term financial well-being by investing in yourself. We offer immediate eligibility and company matching.
  • A generous Paid Time Off and Holiday package
  • Paid training! We encourage all employees to seek out training opportunities like conferences, certification courses and seminars.
  • We truly believe the right work-life balance can exist, and it's here at Independent Software. Our work is extremely important, but your job is just a part of who you are. When you enjoy your life outside of our walls, you're at your best the next time you walk through our doors. We do all we can to assure that happens every day.

Independent Software is an

Equal Opportunity Employer EOE, M/F/D/V. Senior Information Systems Security Officer Annapolis Junction, MD Full Time Information Systems Security Officer Experienced What You Will Do: At Independent Software, as a Senior Information Systems Security Officer, you will provide senior-level cybersecurity and information assurance support for classified systems supporting IC and DoD missions. You will maintain and strengthen system security posture through security operations, risk and vulnerability assessments, configuration management, security documentation, and system authorization activities.

In this role, you will work closely with technical teams and stakeholders to ensure systems remain compliant with applicable security requirements while identifying vulnerabilities and implementing improvements that strengthen system resilience.

Key Responsibilities

  • Maintain the security posture of classified IC/DoD information systems
  • Develop, maintain, and manage a high volume of System Security Plans (SSPs)
  • Conduct vulnerability and risk assessments and support mitigation activities
  • Support RMF and system authorization processes
  • Manage security configurations and assess the security impact of system changes
  • Ensure compliance with applicable security policies, frameworks, standards, and procedures
  • Utilize customer security tools and processes to support system security and compliance
  • Work with technical teams to identify vulnerabilities and strengthen system security
  • Support security activities involving servers, IA technologies, networking protocols, and network services

Required Skills and Qualifications

  • 10+ years of hands-on ISSO/information security experience supporting IC or DoD environments
  • Strong experience developing and maintaining SSPs
  • Strong knowledge of RMF, security authorization, vulnerability assessment, and risk management
  • Knowledge of customer security tools, policies, frameworks, and system authorization processes
  • Working knowledge of servers, Information Assurance technologies, networking protocols, and network services
  • Experience with customer security tools and environments such as LatteArt, Biscotti, Xacata, and STE/STN
  • Strong communication skills and ability to work effectively with technical stakeholders Education and Experience:
  • Bachelor’s degree in a relevant technical discipline preferred
  • 12+ years of relevant experience strongly preferred
  • 10+ years of hands-on ISSO/information security experience supporting IC or DoD environments required
Education and Experience: Candidates must meet one of the following:
  • Bachelor of Science degree in Computer Science, Information Assurance, Information Security, or a related discipline plus 12 or more years of relevant experience
  • An additional four (4) years of relevant experience may be considered in lieu of a degree on a case-by-case basis
  • Must have 10+ years of direct experience as an ISSO or a combination of ISSO and other security-related roles supporting IC or DoD programs and contracts of similar scope, type, and complexity
Certifications:
  • Must meet DoD 8140.03 IAM Level II or higher certification requirements, such as CASP+ or CISSP
Clearance Requirement:
  • Must possess an active TS SCI with appropriate Polygraph to be considered for this role Why Choose Independent Software: At Independent Software, our people are the mission. We’ve built a company around collaboration, integrity, and innovation and we make sure our team has the tools and support to grow, succeed, and thrive. When you join us, you will:
  • Support critical national security missions that matter
  • Be part of a close-knit, employee-first culture where your voice is heard
  • Expand your skills through ongoing training, mentorship, and career development
  • Enjoy competitive compensation, generous benefits, and work-life balance Ready to take the next step in your career? Join us and be part of something bigger. Apply today. We’re an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

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