Information Systems Security Officer; ISSO Security Clearance

About Nightwing

Nightwing is a provider of advanced cyber, data operations, systems integration and intelligence support services, headquartered in Sterling, VA. Founded in 2024 after a split from a leading Fortune 100 company, Nightwing continues to support the nation’s most mission‑impactful initiatives with disruptive technologies, agility and a competitive portfolio for the intelligence, defense, civil and commercial markets.

Information Systems Security Officer (ISSO) – Onsite (Palm Bay / Indialantic / Melbourne, FL)

• Develop and update RMF documents: SSPs, addendums, POA&Ms, SCTMs, SOPs, CONOPS, test plans and related artifacts.
• Perform security control assessments to identify vulnerabilities and potential deficiencies as part of the continuous monitoring program.
• Execute sustainability activities including change management, account management, auditing, media protection, user training and file transfer controls.
• Conduct system audits, baseline validations and Con Mon activities.
• Interface with internal and external customers, program managers, IT staff and senior leadership.
• Deliver initial and annual general/privileged user training and associated functions.
• Support cyber incident response, investigation and resolution actions.
• Develop and enforce cybersecurity policies and procedures for accredited systems.

• TS clearance with SCI eligibility and Counterintelligence Polygraph.
• Experience developing SSPs and RMF packages using eMASS.
• Proficiency with security assessment and hardening tools such as SCAP Compliance Checker, STIG Viewer, Nessus, Rapid7, and NMAP.
• Experience with SIEMs and audit reduction tools such as Splunk.
• Knowledge of wide‑area and local‑area networks, including servers, workstations, routers, switches and firewalls.
• DoDD 8570/8140 IAM Level 1 certification (e.g., Security+CE).
• Minimum 3 years of prior ISSO experience.
• Self‑starter and independent, with strong customer‑service orientation.
• In‑depth knowledge of NIST special publications, CNSS policies and instructions.

• Adjudicated full‑scope polygraph.
• DoDD 8570/8140 IAM Level 2 certification (e.g., CISM, CISSP).
• Experience with shell tools and scripts: CMD, Power Shell, Linux shell.
• Experience auditing Windows, Linux, endpoint devices and virtual machines.
• Bachelor’s degree in information systems or cybersecurity, or equivalent experience (mandatory).

• Competitive salaries and comprehensive medical, dental and vision plans.
• Child, elderly and dependent‑care programs.
• Mental health resources.
• Generous tuition assistance and 401 k matching programs.
• Flexible work schedules, peer recognition system and performance‑based bonuses.

Nightwing is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, age or any other federally protected class.