Sr ISSE

Job#: 3012876

Job Description:
Sr ISSE

Location: Reston, Virginia (Onsite)
Employment Type: Contract to Perm

Role Overview

This position requires a Senior Information Systems Security Engineer to lead security engineering efforts for enterprise programs. The role involves designing, developing, and recommending integrated security system solutions to ensure network systems meet specific certification, accreditation, and information assurance requirements for classified and Special Access Programs (SAP).

Key Responsibilities

• Provide technical expertise to ensure network systems meet C&A and IA requirements and are properly certified and accredited.
• Design, develop, and recommend integrated security system and physical control solutions.
• Assist the team in the Authorization and Accreditation (A&A) process using RMF for classified systems.
• Offer technical engineering services for the support of integrated security systems and solutions.
• Work with stakeholders to translate security and business requirements into technical designs.
• Configure and validate secure systems, and test security products to detect weaknesses.
• Develop comprehensive system test plans (STP) to assess the security posture of information systems.
• Analyze scan results and security findings to prioritize and implement remediation efforts.
• Participate in incident response activities and assist in the resolution of security incidents.

Required Qualifications

Experience: A minimum of 7 years of relevant experience is required.

Technical Skills:

• Experience with security tools including Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security Technical Implementation Guides (STIGs).
• Advanced Windows administration capabilities and Linux proficiency.
• Practical experience deploying, maintaining, and troubleshooting security tools.

Clearance: An active DOD TS/SCI with CI Polygraph security clearance is required.

Preferred Qualifications

• Familiarity with tiered security environments (U, S, TS).
• A deep understanding of the Trellix antivirus suite of products.
• Knowledge of Splunk architecture and experience with multi-level queries.
• Advanced PowerShell scripting and general administrative functions in Windows.
• Experience with a commercial government cloud service provider's system accreditation process.
• Experience as a Cybersecurity Control Assessor for SAP.
• Experience with Ongoing Authorizations and Assessments.
• Experience with C2S Cloud or DevOpsSec.

This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Apex uses a virtual recruiter as part of the application process. Click for more details.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.