Markon is seeking an Information Systems Security Engineer (ISSE) to support an Intelligence Customer in Herndon, VA.
Responsibilities- Provide expert-level security support/guidance to engineering and technical IT related activities within the organization.
- Provide day-to-day support and oversight of all Information Assurance, Certification & Accreditation and Assessment & Authorization activities.
- Responsible for managing the processing of all organizational efforts through the risk management cycle, this includes closely coordinating and track risks, accreditation status, and reporting status across project teams.
- Generate security plans as required and be the security advocate for all system/architecture changes.
- Assemble and submit C&A packages to Principal Accreditation Authority/ Designated Accreditation Authority.
- Coordinate C&A actions and system testing with appropriate security personnel.
- Maintain a document repository where C&A project documentation is stored.
Required:
- An active TS/SCI Full Scope Poly Security Clearance (Preferrably from this client)
- Bachelor's Degree in Cybersecurity, computer science, or related field
- Minimum of eight (8) years of experience in IT security, information assurance and/or engineering
- Experience in an ISSO /ISSE / ISSM role.
- Experience using Greenlight Tool
- Working knowledge of Intelligence Community Information Assurance policies and regulations and how they relate to the certification and accreditation process.
- Strong technical skills and analytic ability.
- Good communications skills, written and oral.
Desired:
- Experience authoring and maintaining systems security documentation including documentation of security mitigations and successful completion of DCID 6/3 or ICD503 accreditation process
- Demonstrated experience navigating the Sponsor's security and accreditation process to include certification and accreditation of an IT system to Authority to Operate (ATO)
- Candidate shall possess knowledge and experience in generating appropriate security documentation to receive proper accreditation from Directorate security personnel and correcting security shortfalls as they are identified through Agency sponsored reviews.
- PMP Certification
- Knowledge of Customer PMF process
- Knowledge of FISMA, DCID 6/3, ICD 503 Standards
- Knowledge of IT development lifecycle
- Knowledge of Customer organization and processes specific to security requirements for IT systems and accreditation/certification.
Eager to join a team where your skills are valued, your growth is nurtured, and your impact is profound? Look no further than Markon, a premier consulting firm deeply dedicated to advancing our nation's most critical missions.
At Markon, we don't just offer jobs – we offer opportunities for personal and professional transformation. Empowering our employees to lead, innovate, and excel, we foster an environment where new ideas are not just welcomed but celebrated. As a perennial Washington Post Top Workplace, we prioritize the well-being and success of our team members, ensuring they can bring their best selves to work.
Headquartered in Falls Church, Virginia, Markon has garnered national recognition for our unwavering dedication to excellence in serving the intelligence community, as well as federal civilian and defense agencies. Our growing reach extends across 17 states, 116 countries, and 5 continents, where our team of dynamic professionals collaborates to deliver unparalleled program and project management services.
Markon values people and the tremendous impact each individual can make – which is why we’re consistently recognized as one of the best places to work in federal government consulting. Here, you can help solve the nation’s most important challenges, surrounded by colleagues who help you grow, advance, and succeed. We are deeply dedicated to what matters – bringing out the best in each other to advance our clients’ missions.Join us and make a meaningful impact.
Markon is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, national origin, age, protected veteran status, or disability status. This job posting will remain open until the position is filled.
Benefits Offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Training and Tuition Assistance, Paid Time Off, and Holidays
Skills Required
- Active TS/SCI Full Scope Poly security clearance, preferably from the client
- Bachelor's degree in Cybersecurity, Computer Science, or a related field
- At least eight years of experience in IT security, information assurance, and/or engineering
- Experience in an ISSO, ISSE, or ISSM role
- Experience using the Greenlight Tool
- Working knowledge of Intelligence Community information assurance policies and regulations related to certification and accreditation
- Strong technical skills and analytical ability
- Good written and oral communication skills
- Experience authoring and maintaining system security documentation, including security mitigations and DCID 6/3 or ICD 503 accreditation documentation
- Experience navigating the sponsor's security and accreditation process, including certifying and accrediting IT systems to receive an ATO
- Knowledge and experience generating security documentation for accreditation and correcting security shortfalls identified through agency-sponsored reviews
- PMP certification
- Knowledge of the Customer PMF process
- Knowledge of FISMA, DCID 6/3, and ICD 503 standards
- Knowledge of the IT development lifecycle
- Knowledge of the customer's organization and security accreditation processes for IT systems
What We Do
Markon is a professional services firm and mission integrator serving national-security and federal clients. It delivers full-spectrum cyber operations, digital transformation, and critical intelligence solutions, combining cyber exercises, defensive operations, training, threat analysis, modernized architectures, secure software delivery, data, cloud, automation, operational leadership, infrastructure alignment, process engineering, and software optimization to strengthen secure, resilient mission readiness across complex federal environments and national missions.
