{"id":2111244,"url":"https://alion.io/job/base-2-solutions-information-systems-security-engineer","title":"Information Systems Security Engineer","company":{"id":3900854,"name":"Base-2 Solutions","domain":"base-2solutions.com","url":"https://alion.io/company/base-2-solutions","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"B","score":80,"open_postings":16,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":7,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Security","role_family":"Security","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Annapolis Junction, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":105000,"max_usd":247000,"period":"year","method":"role_country_seniority_unknown","sample_n":2487},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Bash","optional":false},{"name":"Confluence","optional":false},{"name":"GCP","optional":false},{"name":"Hyper-V","optional":false},{"name":"Kali Linux","optional":false},{"name":"Linux","optional":false},{"name":"Metasploit","optional":false},{"name":"Nessus","optional":false},{"name":"Nmap","optional":false},{"name":"PKI","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"ServiceNow","optional":false},{"name":"Splunk","optional":false},{"name":"VMWare","optional":false},{"name":"VPN","optional":false},{"name":"Windows","optional":false},{"name":"Wireshark","optional":false}],"status":"live","first_seen_at":"2026-07-27T00:00:00Z","employer_posted_date":"2026-07-27","last_verified_at":"2026-10-10T21:29:03Z","board_verified":true,"closed_at":null,"days_open":76,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":76},"description":"LocationAnnapolis Junction, Maryland\n Security clearanceTop Secret/SCI with Full Scope Polygraph\n Work arrangementOn-Site\n Requisition5126\n Apply for this role(opens in a new tab) Opens this requisition in our secure applicant portal.\n Position Summary\n Base-2 Solutions is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our team. Our ISSEs play a critical role in safeguarding cutting-edge systems that support national defense and mission-critical operations. We are looking for security professionals who bring expertise in system security design, risk management, and cybersecurity frameworks, as well as strong leadership qualities and an eagerness to tackle complex challenges. Our ideal candidate will demonstrate versatility, attention to detail, and a commitment to protecting sensitive information and systems as we continue to push technology forward.\nEssential Duties and Responsibilities\n Develops, implements, and maintains security solutions for complex systems to ensure confidentiality, integrity, and availability.\nConducts system security analysis, risk assessments, and vulnerability assessments to identify and mitigate risks.\nSupports the development of security architecture and system security engineering artifacts based on NIST, DoD, and IC policies and guidelines.\nCollaborates with system architects, software engineers, and network engineers to incorporate security requirements into system design.\nDevelops and maintains System Security Plans (SSPs), Security Assessment Reports (SARs), and related Risk Management Framework (RMF) documentation.\nPerforms continuous monitoring and ensures compliance with applicable security standards (NIST SP 800-53, ICD 503, CNSS, etc.).\nProvides recommendations for improving system security posture and addresses security incidents as they arise.\nEngages in security testing, evaluation, and certification & accreditation (C&A) activities.\nInterfaces with government customers and stakeholders to effectively communicate technical information and security strategies.\nRequired Qualifications\n Experience with security frameworks and standards such as NIST SP 800-53, RMF, ICD 503, CNSS, DoD STIGs.\nExperience with security tools such as ACAS, Nessus, Tenable, Splunk, Wireshark, HBSS, McAfee ePO.\nExperience with security technologies including Firewalls, IDS/IPS, SIEMs, VPNs, PKI, Multi-Factor Authentication.\nExperience with system security documentation: SSPs, POA&Ms, SARs, Security Control Traceability Matrix (SCTM).\nExperience with Linux, Unix, Windows, and Virtualization technologies (VMware, Hyper-V).\nExperience with cloud platforms such as AWS, Azure, Google Cloud with a focus on cloud security.\nExperience with encryption protocols and technologies such as TLS/SSL, IPsec, VPN, PKI.\nExperience with security testing tools: Nmap, Metasploit, Burp Suite, Kali Linux.\nScripting and automation experience: Python, PowerShell, Bash.\nKnowledge of system development lifecycle (SDLC), software assurance, and secure coding practices.\nExperience with collaboration and issue-tracking tools like JIRA, Confluence, ServiceNow.\nCertifications such as CISSP, CAP, CEH, Security+, AWS Security Specialty, or equivalent.\nPreferred Qualifications\n Not specified.\nRequired Education and Experience Equivalency\n None specified.\nRequired Certifications\n CISSP\nCAP\nCEH\nSecurity+\nAWS Security Specialty\nor equivalent\nRequired Security Clearance\n Active Top Secret/SCI with Full Scope Polygraph","description_format":"text","description_chars":3501,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity","DevOps & Platform Engineering","Information Security"],"lifecycle":[{"event":"open","at":"2026-10-08T22:29:32Z"}],"visa":[],"liveness":{"score":2,"band":"cold","label":"Long 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