System Security Engineer

Markon is seeking an experienced System Security Engineer to join a large, collaborative team of developers, software engineers, and data engineers supporting mission-critical systems. This role focuses on secure system design, cloud integration, accreditation support, and lifecycle security engineering in a fast-paced Agile environment.

The ideal candidate will bring strong cloud, security, and systems engineering experience, along with the ability to support accreditation efforts and provide high-level customer support.

Responsibilities

• Support system build-outs, testing, maintenance, monitoring, and ongoing enhancements
• Decompose requirements and ensure system designs align with enterprise architecture and allocated requirements
• Translate customer requirements into hardware and software specifications through functional analysis, cost estimation, and interface definition studies
• Identify system integrity risks and implement solutions across the full system lifecycle (concept through disposal)
• Integrate systems and services and clearly communicate technical findings and recommendations
• Address user requirements and automate/improve existing systems to enhance workflow efficiency
• Support the development, documentation, and execution of system security policies
• Support Authorization to Operate (ATO) / accreditation efforts for customer systems and applications
• Conduct security analysis and maintain system and workflow documentation following updates or iteration changes
• Perform application demonstrations and end-user training as required
• Support release management activities, including deployment readiness, coordination, and release notes documentation
• Note: Occasional after-hours support (typically once per month, 5:00 PM - 9:00 PM) may be required
• Provide Tier 3 and Tier 4 support to internal teams and customers

Qualifications

• Active TS/SCI with Polygraph
• Bachelor's degree and 11-15 years of relevant experience
• Experience working in AWS cloud environments
• Experience with SQL
• Experience in Agile environments using Jira and Confluence (ServiceNow ESP experience preferred)
• Experience with Infrastructure as Code tools such as Terraform and/or AWS CloudFormation
• Experience working in DevSecOps environments
• Experience providing Linux system administration
• Familiarity with security accreditation processes and tools, including:
• RMF and NIST frameworks
• Accreditation tools (e.g., Xacta, GreenLight)
• System and vulnerability scanning
• POA&M tracking

Desired Qualifications

• Experience supporting IdAM / ICAM systems (Authentication, Authorization, Attribute Management)
• Experience with Entitlement Management and Digital Policy Management systems
• LDAP experience
• Security certifications (e.g., Security+, CISSP)
• AWS Certification
• Experience with BPM / BAW platforms

Salary Range

USD $200,000.00 - USD $230,000.00 /Yr.

The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Overview

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