Information Systems Security Officer - Information Systems Security Officer
About the job
- Must be a United States citizen.
- Must have an active TS/SCI clearance with active polygraph.
- A Bachelor's degree in Computer Science or IT Engineering is required; in lieu of a Bachelor's degree, an additional four years of experience is accepted, for a total of twelve years.
- Eight years of combined work-related experience in IT, cybersecurity, or security authorization is required.
- Familiarity with commercial security products, security authorization techniques, security incident management, public key infrastructure, and authorization services is required.
- IAM Level 1 certification is required.
- Knowledge in at least two of the following areas is required: current security tools; hardware/software security implementation; communication protocols; encryption tools and techniques.
- Provide support to senior ISSOs for implementing and enforcing information systems security policies, standards, and methodologies.
- Assist with the preparation and maintenance of documentation.
- Assist in evaluating security solutions to ensure they meet security requirements for processing classified information.
- Assist with configuration management for information system security software, hardware, and firmware.
- Maintain records on workstations, servers, routers, firewalls, intelligent hubs, network switches, and related system upgrades.
- Propose, coordinate, and implement information systems security policies, standards, and methodologies.
- Develop and maintain documentation for security authorization in accordance with ODNI and DoD policies.
- Provide configuration management for security-relevant information system software, hardware, and firmware.
- Ensure compliance with system security policy.
- Evaluate security solutions to ensure they meet security requirements for processing classified information.
- Maintain the operational security posture for an information system or program.
- Support the Information System Security Manager in maintaining the appropriate operational cybersecurity posture for a system, program, or enclave.
- Develop and update the system security plan and other cybersecurity documentation.
- Assist with managing information system security aspects and perform day-to-day system security operations.
- Track and ensure appropriate user IDs and authentication mechanisms for the information system.
- Obtain system authorization for information systems under the role's purview.
- Support an information assurance program for a program, organization, system, or enclave.
- Plan and coordinate implementation of IT security programs and policies.
- Manage and control system changes and assess their security impact.
- Provide daily oversight and direction to contractor ISSOs.
- Interact with customers, IT staff, and high-level corporate officers to define and achieve required cybersecurity objectives.
About the company
Constellation Technologies delivers cybersecurity, data analytics, and engineering services for government agencies, private enterprises, and other organizations needing advanced cyber intelligence and technology integration. It works by pairing subject matter experts and engineers with clients to assess needs, design tailored plans, and execute across cyber operations, cloud infrastructure, and data analytics, using project-based contracts, long-term services, and consulting engagements. The company differentiates itself through a collaborative, client-focused approach that emphasizes customized solutions and practical results rather than one-size-fits-all offerings, supported by strong communication and integrity. Its goal is to help clients strengthen cybersecurity, gain actionable data insights, and achieve technology-enabled outcomes through tightly integrated teams.
Company Size
11-50
Company Stage
N/A
Total Funding
N/A
Headquarters
Severn, Maryland
Founded
2008
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Simplify's Take
What believers are saying
- CTI's 100+ openings in 2026 show active demand for cyber and engineering talent.
- CTI's tighter team structure supports faster delivery than larger, slower federal contractors.
- Government demand for cyber operations and data analytics directly matches CTI's services.
What critics are saying
- CTI-MD depends on federal customers, especially Navy SeaPort-NxG, risking contract concentration.
- Booz Allen, Leidos, and SAIC outscale CTI on adjacent cyber and analytics bids.
- If SeaPort-NxG recompetes poorly in 2027, CTI loses a core growth engine.
What makes Constellation Technologies unique
- CTI-MD has 15+ years supporting the Intelligence Community and DoD.
- CTI won Navy SeaPort-NxG prime status in 2025, adding federal buying power.
- CTI moved to larger Columbia Gateway headquarters in 2025, signaling operating expansion.
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Benefits
- Health Insurance
- Dental Insurance
- Vision Insurance
- Life Insurance
- Disability Insurance
- 401(k) Retirement Plan
- 401(k) Company Match
- Professional Development Budget
- Paid Vacation