Information Systems Security Engineer (ISSE) - FULLY CLEARED with POLYGRAPH REQUIRED

Key Skills / Technologies

Risk Management Framework (RMF), NMAP, PKI, Wireshark, auditing, penetration testing, scripting, IASAE, CISSP, ISSEP, NISCAP

Eligibility Requirements

• Must be a U.S. Citizen
• Must have an active TS/SCI clearance with polygraph
• Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline
• Twelve (12) years of experience working as an ISSE on a large technical program
• Solid understanding of security practices and policies and hands‑on vulnerability testing experience using customer tools
• Experience applying the Risk Management Framework
• Experience formulating and assessing IT security policy
• Demonstrated knowledge of and experience with common security tools such as Nessus, NMAP, and Wireshark, hardware/software security implementation, communication protocols, encryption techniques/tools, and web services
• Experience with secure configurations of commonly used desktop and server operating systems
• Ability to work on multiple systems and components simultaneously in various configurations
• Strong verbal and written communication skills
• Commitment to adopting and adhering to best practices
• Ability to effectively plan and prioritize tasks and communicate clearly regarding technical options and trade‑offs
• Capability to perform high‑quality work both independently and with a team in a fast‑moving environment

Preferred Qualifications (Nice to Have)

• Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline
• Five (5) years of experience with Defense‑in‑Depth principles/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development
• DoD 8570 compliance with IASAE Level 2 or 3
• Information Systems Security Engineering Professional (ISSEP) certification
• Certified Information Systems Security Professional (CISSP) certification
• Experience developing/implementing integrated security services management processes, such as assessing and auditing network penetration testing, anti‑virus planning assistance, risk analysis, and incident response
• Experience providing information assurance support for application development that includes system security certifications and project evaluations for firewalls encompassing development, design, and implementation
• Experience with penetration testing tools
• Experience with scripting languages

Compensation

The pay range for this job, with multi‑levels, 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.

Benefits Package

• Affordable healthcare options with 80% employer‑paid premium PLUS a company‑funded HSA
• Comprehensive dental insurance
• Vision coverage with 80% employer‑paid premium
• Employer‑paid life insurance (100%)
• Employer‑paid short‑term and long‑term disability (100%)
• Annual training, continued education, and professional memberships reimbursement
• Unlimited access to Red Hat Enterprise Linux, AWS, and NetApp training and accreditation
• Annual reimbursement for technology (e.g., phones, computers, printers, etc.)
• 401(k) with company match up to 5% and 100% immediate vesting (after 90 days of employment)

Environment & Perks

• Professional development investment and paid time off for training
• Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, California, Florida, and Hawaii
• Team‑building events throughout the year such as Destination Family Events, Holiday Party, and monthly get‑togethers
• Leadership team engagement and mentorship
• Performance Recognition Program
• Complimentary branded apparel

Application Instructions

Don’t see a job opening that’s the perfect fit? Apply to our General Position to join our talent pool for consideration for future opportunities.

Referral Program

Know someone else who may be a good fit? Refer them through the CTI External Referral Program and you could receive a one‑time referral bonus of up to $10,000! Email cti‑staffing@cti‑md.com for more information.

Equal Opportunity Statement

Constellation Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, religion, creed, color, national origin, ancestry, sex (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, medical condition, marital or domestic partner status, sexual orientation, gender, gender identity, gender expression and transgender status, mental disability or physical disability, genetic information, military or veteran status, citizenship, low‑income status, or any other status or characteristic protected by applicable law. Job applicants can submit questions about CTI’s equal employment opportunity policy to cti‑hr@cti‑md.com.

AI Notice

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.