--- title: 'Information Systems Security Engineer (ISSE) - FULLY CLEARED with POLYGRAPH REQUIRED at Constellation Technologies, Inc' canonical: 'https://feeny.ai/job/information-systems-security-engineer-isse-fully-cleared-with-polygraph-94z7s0w3tppp' type: 'job' last_seen: '2026-09-09' --- # Information Systems Security Engineer (ISSE) - FULLY CLEARED with POLYGRAPH REQUIRED at Constellation Technologies, Inc - **Company:** Constellation Technologies, Inc - **Location:** Annapolis Junction, MD - **Compensation:** $140k–$265k - **Work type:** onsite - **Posted:** 2026-08-24 - **Last confirmed live:** 2026-09-09 - **Apply:** https://jobs.lever.co/cti-md/7cfdffb6-fd8a-440d-ae52-53a8df2d373b ## Job description Risk Management Framework (RMF), NMAP, PKI, Wireshark, auditing, penetration testing, scripting, IASAE, CISSP, ISSEP, NISCAP Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: - Must be a US Citizen - Must have TS/SCI clearance w/ active polygraph - Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline. - Must have twelve (12) years of experience working as an ISSE on a large technical program. - Must have a solid understanding of security practices and policies and hands-on vulnerability testing experience using Customer tools. - Must have experience applying Risk Management Framework. - Must have experience formulating and assessing IT security policy. - Must have demonstrated knowledge of and experience with common security tools, such as Nessus, NMAP and Wireshark hardware/software security implementation, communication protocol, encryption techniques/tools, and web services. - Must have experience with secure configurations of commonly used desktop and server operating systems. - Must be comfortable working on multiple systems and components simultaneously in various configurations. - Must have strong verbal and written communications skills. - Must be committed to adopting and adhering to best practices. - Must be able to effectively plan and prioritize tasking and communicate clearly regarding technical options and trade-offs. - Must be capable of performing high quality work both independently and with a team in a fast-moving environment. These Qualifications Would be Nice to Have: - Five (05) years of experience with Defense in Depth Principals/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. - Computer 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 that encompass the development, design, and implementation. - Experience with penetration testing tools. - Experience with scripting languages. The benefits package: - Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA - Comprehensive Dental package - Vision 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 i.e. phones, computers, printers, etc... - 401(k) with company match up to 5% with 100% immediate vesting (after 90 days of employment) The environment and 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, Monthly Get-Togethers - Leadership Team engagement and mentorship - Performance Recognition Program - Complimentary branded apparel 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. 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. 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. The benefits package: - Affordable healthcare options with 80% employer paid premium PLUS a company-funded HSA - Comprehensive Dental insurance - Vision 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 and AWS training and accreditation - Annual reimbursement for technology i.e. phones, computers, printers, etc. - 401(k) with company match up to 5% with 100% immediate vesting (after 90 days of employment) The environment and perks: - Professional development investment and paid time off for training - Contract and work locations in Maryland, Virginia, Colorado, Texas, Utah, Florida and Hawaii. - Team building events throughout the year such as Destination Family Events, Holiday Party, Monthly Get-Togethers - Leadership Team engagement and mentorship - Performance Recognition Program - Complimentary branded apparel 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. 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. 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. ## About Constellation Technologies, Inc ## Company Overview - **One-liner**: Constellation Technologies, Inc. (CTI) is a small, privately held IT services and consulting firm that delivers cybersecurity, data analytics, and engineering solutions to the U.S. Intelligence Community and Department of Defense. - **Entity Type**: Private (bootstrapped; no disclosed funding rounds) - **Headquarters**: Columbia, Maryland, United States - **Founded**: 2008 - **Founders**: Not publicly disclosed (leadership includes Scott DuBritton, but founder names are not listed) ## Core Business - **Primary industries**: IT Services and IT Consulting, Cybersecurity, Defense & Intelligence - **Target customers**: U.S. federal government agencies, specifically the Intelligence Community (IC) and Department of Defense (DoD) - **Mission or purpose**: “We serve our customers by investing in our employees” – CTI aims to provide best-in-class service and solutions through a collaborative, innovative, and mission-driven culture [cti-md.com](https://www.cti-md.com/who-we-are) ## Products & Services CTI delivers four core capability areas, each typically delivered as a service on-site at government facilities: - **Cyberspace Operations**: Offensive and defensive cyber engineering, threat analysis, and mission support. - **Intelligence Data, Analysis, and Research**: Target digital network analysis, data science, and all-source intelligence production. - **Engineering Services**: Systems engineering, software engineering, database engineering, and systems administration. - **Cloud Computing**: Cloud architecture, migration, and secure cloud operations for classified environments. ## Market Standing - **Valuation / Market Cap**: Not disclosed - **Key Metric**: Annual revenue of approximately $28 million; 45 employees (+10.9% YoY growth) [linkedin.com](https://linkedin.com/company/constellation-technologies-inc) - **Notable Investors / Partners**: Not applicable (private, no external investors). Key partners are federal agencies (IC/DoD). - **Growth Signals**: - 10.9% employee headcount growth over the past year - Over 100 active job postings as of early 2026, indicating strong hiring demand - Awarded Top Workplace in the intelligence community for five consecutive years (Baltimore Sun) [cti-md.com](https://www.cti-md.com/join-our-team) ## Competitive Advantages - **Deep domain expertise**: 15+ years supporting the Intelligence Community and DoD; established trust and cleared workforce. - **Small-business agility**: Nimble structure allows rapid adaptation to client needs, unlike larger prime contractors. - **People-first culture**: Leadership actively works alongside employees on contract, fostering a collaborative and innovative environment. High employee rating (4.3/5 on LinkedIn) [linkedin.com](https://linkedin.com/company/constellation-technologies-inc) - **Comprehensive benefits**: 80% employer-paid healthcare, company-funded HSA, 100% employer-paid dental/vision, 401(k) match up to 5% (immediate vesting), up to $4,000 annual education assistance, and phone/internet reimbursement [cti-md.com](https://www.cti-md.com/benefits) ## Strategic Focus - **Current priorities**: Hiring and developing cleared technical talent across multiple disciplines (software, systems, data science, cyber). Expanding cloud and AI capabilities while maintaining high service quality for existing government contracts. - **Direction**: Continue organic growth through excellent client relationships and employee retention. Emphasis on accountable innovation and technical excellence in the cleared space. ## Why Work Here - **Culture highlights**: Award-winning Top Workplace (5 consecutive years) with a “people-first” philosophy. Monthly events (happy hours, bowling, holiday parties), annual company-sponsored destination event for employees and families. Strong emphasis on work-life balance and community [cti-md.com](https://www.cti-md.com/join-our-team) - **Remote/hybrid/office policy**: Most roles are fully on-site (e.g., Fort Meade, Annapolis Junction, Columbia, Denver, Colorado Springs, Hawaii). A few hybrid positions exist (e.g., Technical Support in Columbia, MD). Remote work is rare due to classified nature of work [jobs.lever.co](https://jobs.lever.co/cti-md) - **Notable perks**: 80% employer-paid healthcare premiums, company-funded HSA, 100% employer-paid dental and vision, traditional/Roth 401(k) with 5% match (immediate vesting), accrued PTO + 11 federal holidays + 2 “Code Red” days, up to $4,000/year for training/education, phone/internet reimbursement up to $1,200/year plus $500 for tech devices [cti-md.com](https://www.cti-md.com/benefits) - **Engineering culture**: Founded by engineers who still work alongside employees. Leadership understands the technical challenges and prioritizes professional development. Engineers are encouraged to innovate and solve hard problems for national security missions. ## Sources 1. [cti-md.com – Who We Are](https://www.cti-md.com/who-we-are) 2. [cti-md.com – Join Our Team](https://www.cti-md.com/join-our-team) 3. [cti-md.com – Benefits](https://www.cti-md.com/benefits) 4. [linkedin.com – Constellation Technologies, Inc](https://linkedin.com/company/constellation-technologies-inc) 5. [jobs.lever.co – CTI Careers](https://jobs.lever.co/cti-md) ## Other roles at Constellation Technologies, Inc - [Instructor (Technology) - FULLY CLEARED with POLYGRAPH REQUIRED](https://feeny.ai/job/instructor-technology-fully-cleared-with-polygraph-required-constellation-z01ay1edbpvb) — Annapolis Junction, MD - [Signals / Protocol Analyst - multiple levels - CLEARANCE and POLYGRAPH REQUIRED](https://feeny.ai/job/signals-protocol-analyst-multiple-levels-clearance-and-polygraph-required-gnp3ghavj9te) — Annapolis Junction, MD - [Information System Security Officer (ISSO) - FULLY CLEARED with POLYGRAPH REQUIRED](https://feeny.ai/job/information-system-security-officer-isso-fully-cleared-with-polygraph-required-0sk4jmt3wg6n) — Fort Meade, MD - [Software Engineer (Application Developer) - FULLY CLEARED with POLYGRAPH REQUIRED](https://feeny.ai/job/software-engineer-application-developer-fully-cleared-with-polygraph-required-gcqemtjpw6zd) — Annapolis Junction, MD - [Software Engineer (Analytic Developer) - FULLY CLEARED with POLYGRAPH REQUIRED](https://feeny.ai/job/software-engineer-analytic-developer-fully-cleared-with-polygraph-required-rgmxx79k6c0j) — Fort Meade, MD - [Systems Administrator - Level 03 - FULLY CLEARED with POLYGRAPH REQUIRED](https://feeny.ai/job/systems-administrator-level-03-fully-cleared-with-polygraph-required-tfqxxrgj061y) — Aurora, CO - [Software Engineer - Level 01 - FULLY CLEARED with POLYGRAPH REQUIRED](https://feeny.ai/job/software-engineer-level-01-fully-cleared-with-polygraph-required-constellation-1nh10kcqxsp5) — Columbia, MD - [Systems Administrator - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED](https://feeny.ai/job/systems-administrator-multiple-levels-fully-cleared-with-polygraph-required-pc5dj17yjcem) — Annapolis Junction, MD - [Network Evaluator (Principal) - FULLY CLEARED with POLYGRAPH REQUIRED](https://feeny.ai/job/network-evaluator-principal-fully-cleared-with-polygraph-required-constellation-qxg6ycan85a9) — Linthicum Heights, MD - [Software Engineer (Principal) - FULLY CLEARED with POLYGRAPH REQUIRED](https://feeny.ai/job/software-engineer-principal-fully-cleared-with-polygraph-required-constellation-1wpg8j4y21ma) — Fort Meade, MD